• Schaefer 5 Series Block with Aluminum Cheek, Stainless Steel Base and Delrin Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Flat, stainless base plate distributes loads to a larger surface area than other designs that place loads on the mounting bolts only. Use on spars and deck to lead sheets, halyards, reefing gear and any control requiring a strong, smooth lead.

    • Brand: Schaefer
    • ASIN: B00DH3WL90
    • UPC: 740507011634

  • Schaefer 7 Series Cheek Block, Aluminum Cheek, Stainless Steel Base and Delrin Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Flat, stainless base plate distributes loads to a larger surface area than other designs that place loads on the mounting bolts only. Use on spars and deck to lead sheets, halyards, reefing gear and any control requiring a strong, smooth lead.

    • Brand: Schaefer
    • ASIN: B00DH44ANE
    • UPC: 740507010705

  • Schaefer 5 Series Fiddle Block with Aluminum Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Expertly tune your Mainsail with our 5 series Fiddle Blocks. Strong, smooth and reliable, they offer small to medium cruising and racing yachts an ideal solution for mainsheet and boom vang systems.

    • Brand: Schaefer
    • ASIN: B00JLDFI9A
    • UPC: 740507011726

  • Schaefer 5 Series Fiddle Block with Becket, Adjustable Cam Cleat, Arm Aluminum Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Expertly tune your Mainsail with our 5 series Fiddle Blocks. Strong, smooth and reliable, they offer small to medium cruising and racing yachts an ideal solution for mainsheet and boom vang systems.

    • Brand: Schaefer
    • ASIN: B00JLDFM78
    • UPC: 740507012334

  • Schaefer 3 Series Stanchion Furling Lead Block with Spring, Stainless Cage, Delrin Ball Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems.

    • Brand: Schaefer
    • ASIN: B00IYJPST2
    • UPC: 740507002991

  • Harken Sheave, Delrin Black, Ball Bearing; Od 1 1/2", Id 1/4", Width 9/16", Max Line 3/8" 265

    Self-contained sheaves are designed for sailors to use in custom applications. 16 mm AirBlock sheaves are Delrin and feature stainless ball bearings that ride in a grooved race.

    • Brand: Harken
    • ASIN: B0108L28NC
    • UPC: 097653009924

  • Harken Self-Contained Sheaves, 2in mid range delrin sheave

    Self-contained sheaves are designed for sailors to use in custom applications. Midrangee in either delrin; or aluminum for wire. Delrin; is a registered trademark of e. I. Du pont de nemours and company or its affiliates.

    • Brand: Harken
    • ASIN: B00DH3KATS
    • UPC: 097653004141

  • Schaefer Single 5 Series Block with Stainless Steel Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. 5 series blocks offer small to medium-sized cruising and racing yachts on extremely high strength/weight ratio resulting in a highly refined and reliable block. Their strength and styling has made them popular for medium use on bigger yachts teaming up with our larger Series Blocks.

    • Brand: Schaefer
    • ASIN: B00JLDFPE8
    • UPC: 740507011948

  • Schaefer Single 5 Series Block with Becket, Aluminum Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. 5 series blocks offer small to medium-sized cruising and racing yachts on extremely high strength/weight ratio resulting in a highly refined and reliable block. Their strength and styling has made them popular for medium use on bigger yachts teaming up with our larger Series Blocks.

    • Brand: Schaefer
    • ASIN: B00JLDF8CC
    • UPC: 740507011641

  • Schaefer 5 Series Fiddle Block with Becket, Cam Cleat, Aluminum Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Expertly tune your Mainsail with our 5 series Fiddle Blocks. Strong, smooth and reliable, they offer small to medium cruising and racing yachts an ideal solution for mainsheet and boom vang systems.

    • Brand: Schaefer
    • ASIN: B00JLDFMDW
    • UPC: 740507011856

  • Schaefer Hinged Fairlead Block with Stainless Steel Cheeks and Delrin Ball Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Extremely low profile keeps control lines and halyards close to the deck. Open Delrin ball bearing race design guarantees low friction and easy maintenance.

    • Brand: Schaefer
    • ASIN: B00JLDG48E
    • UPC: 740507012150

  • Schaefer Single 7 Series Block, Stainless Steel Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. 7 series blocks offer medium sized cruising and racing yachts with a stunning combination of strength and performance. Their robust yet lightweight construction produces an exceptionally strong block built to perform well past other plastic designs.

    • Brand: Schaefer
    • ASIN: B00JMAI8JE
    • UPC: 740507010972

  • Schaefer 5 Series Fiddle Block with Snap Shackle, Aluminum Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Expertly tune your Mainsail with our 5 series Fiddle Blocks. Strong, smooth and reliable, they offer small to medium cruising and racing yachts an ideal solution for mainsheet and boom vang systems.

    • Brand: Schaefer
    • ASIN: B00JLDFI5E
    • UPC: 740507011733

  • Schaefer 5 Series Cheek Block with Stainless Steel Cheek/Base and Delrin Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Flat, stainless base plate distributes loads to a larger surface area than other designs that place loads on the mounting bolts only. Use on spars and deck to lead sheets, halyards, reefing gear and any control requiring a strong, smooth lead.

    • Brand: Schaefer
    • ASIN: B00JLDFPIE
    • UPC: 740507011962

  • Schaefer 7 Series Stand Up Spring Block, Aluminum Cheeks, Stainless Steel Base and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Halyard/Control Blocks are excellent for fixed position halyard, sheet or control line fairleads. Block swivels 360 degrees, tilts in all directions and is supported by a heavy gauge stainless steel sprint to prevent deck contact. Large diameter base helps distribute loads to a larger surface area than other smaller designs.

    • Brand: Schaefer
    • ASIN: B00JMAI6PU
    • UPC: 740507010866

  • Schaefer 5 Series Single Block on 1-Inch T-Track Slider, Aluminum Cheeks and Delrin Plain Bearing Sheave, 25mm

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Spring loaded blocks offer a wide flexibility in sheeting angles allowing for up to a 45 degree lead variation to each side of the track. "Spring Cap" design fully supports blocks under any conditions.

    • Brand: Schaefer
    • ASIN: B00JLDFP9S
    • UPC: 740507020902

  • Schaefer 5 Series Halyard Lift Block with Aluminum Cheeks, Stainless Steel Base and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Lead halyards, topping lift and other control lines aft with ease. Block is mounted to bisect halyard load angle for maximum tensile strength.

    • Brand: Schaefer
    • ASIN: B00JLDFIIG
    • UPC: 740507011795

  • Schaefer 5 Series Fiddle Block with Becket, Cam Cleat Stainless Steel Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Expertly tune your Mainsail with our 5 series Fiddle Blocks. Strong, smooth and reliable, they offer small to medium cruising and racing yachts an ideal solution for mainsheet and boom vang systems.

    • Brand: Schaefer
    • ASIN: B00JLDFUS4
    • UPC: 740507012044

  • Schaefer 7 Series Single Block on 1-1/4-Inch (32mm) T-Track Slider and Aluminum Cheeks with Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Spring loaded blocks offer a wide flexibility in sheeting angles allowing for up to a 45 degree lead variation to each side of the track. "Spring Cap" design fully supports blocks under any conditions.

    • Brand: Schaefer
    • ASIN: B00DH41YFQ
    • UPC: 740507022449

  • Schaefer Single 5 Series Block with Snap Shackle, Aluminum Cheeks and Delrin Plain Bearing Sheave

    Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. 5 series blocks offer small to medium-sized cruising and racing yachts on extremely high strength/weight ratio resulting in a highly refined and reliable block. Their strength and styling has made them popular for medium use on bigger yachts teaming up with our larger Series Blocks.

    • Brand: Schaefer
    • ASIN: B00JLDF8DQ
    • UPC: 740507011610