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Harken Products

  • 100mm Black Magic Airblocks 100mm Black Magic Airblock Single 7500lb Swl 201oz

    West Marine$441.32
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    Description : Used on offshore boats where weight and performance are critical. The 100mm range features free rolling, large diameter aluminum sheaves with torlon roller bearings housed in a unique center cage. Uv resistant carbon black delrin balls carry sideloads. Good for sheets, halyards, running backstays and control lines. Blocks are hardkote anodized and have 17 4ph stainless headposts and shackles. Easily disassembled. Ball bearings: torlon roller bearings. Carbon black delrin ball bearings sheave size: 4" sheave: 6061 t6 hardkote anodized aluminum line dia: 5/8" max. Cheek material/finish: 6061 t6 hardkote anodized aluminum construction: dissimilar metals isolated for corrosion resistance. Easily disassembled safe working load: 7,500lb.

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  • 16mm Airblocks 16 Mm Narrow Block

    West Marine$11.65
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 16mm Airblocks 16mm Airblock Cheek 250lb Swl 044oz

    West Marine$11.82
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 16mm Airblocks 16mm Airblock Double 450lb Swl 088oz

    West Marine$21.21
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 16mm Airblocks 16mm Airblock In-line Exit Hole Spacing 2-38 Inch Fasteners 8 Rhms 250lb Swl 063oz

    West Marine$39.02
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 16mm Airblocks 16mm Airblock Single 250lb Swl 033oz

    West Marine$10.2
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 16mm Airblocks 16mm Airblock Single Swivel 250lb Swl 062oz

    West Marine$18.36
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 16mm Airblocks 16mm Airblock Single With Becket 250lb Swl 05oz

    West Marine$11.69
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    Description : Airblocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength to weight ratios around. Shackle/strap type: loop top or swivel

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  • 225 Inch Blocks 225 Inch Block Double With Becket 1000lb Swl 95oz

    West Marine$81.05
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    Description : The original harken block used for main and jib sheets on course racing keelboats, scows and dinghies with large mains. Swivel blocks feature a three way head system with a set screw. Where applicable, blocks use #8 fasteners. Cheek material/finish: plastic/stainless straps

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  • 225 Inch Blocks 225 Inch Block Single 500lb Swl 45oz

    West Marine$34.68
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    Description : The original harken block used for main and jib sheets on course racing keelboats, scows and dinghies with large mains. Swivel blocks feature a three way head system with a set screw. Where applicable, blocks use #8 fasteners. Cheek material/finish: plastic/stainless straps

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  • 225 Inch Blocks 225 Inch Block Single With 150 Cam Becket 500lb Swl 105oz

    West Marine$77.88
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    Description : The original harken block used for main and jib sheets on course racing keelboats, scows and dinghies with large mains. Swivel blocks feature a three way head system with a set screw. Where applicable, blocks use #8 fasteners. Cheek material/finish: plastic/stainless straps

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  • 225 Inch Blocks 225 Inch Block Single With Becket 500lb Swl 50oz

    West Marine$43.61
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    Description : The original harken block used for main and jib sheets on course racing keelboats, scows and dinghies with large mains. Swivel blocks feature a three way head system with a set screw. Where applicable, blocks use #8 fasteners. Cheek material/finish: plastic/stainless straps

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