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    57 mm Black Magic®

    Used on offshore boats, these strong, lightweight blocks feature Torlon® roller bearings for strength and reduced wear. Rollers are housed in a center cage and stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion.

    Torlon® is a registered trademark of Solvay Advanced Polymers.

    57 mm Aluminum Loop Block

    57 mm Aluminum Loop Block

    Part No.3214
    $221.75 $221.75
    57 mm Aluminum Block — Swivel

    57 mm Aluminum Block — Swivel

    Part No.3215
    $180.40 $180.40
    57 mm Aluminum Block — Swivel, Becket

    57 mm Aluminum Block — Swivel, Becket

    Part No.3216
    $219.85 $219.85
    57 mm Aluminum Double Block — Swivel

    57 mm Aluminum Double Block — Swivel

    Part No.3217
    $357.95 $357.95
    57 mm Aluminum Double Block — Swivel, Becket

    57 mm Aluminum Double Block — Swivel, Becket

    Part No.3218
    $379.85 $379.85
    57 mm Aluminum Triple Block — Swivel

    57 mm Aluminum Triple Block — Swivel

    Part No.3219
    $466.75 $466.75
    57 mm Aluminum Padeye Block

    57 mm Aluminum Padeye Block

    Part No.3223
    $184.75 $184.75
    57 mm Runner Block

    57 mm Runner Block

    Part No.3224
    $302.00 $302.00
    57 mm Aluminum Low-Load Block — Swivel

    57 mm Aluminum Low-Load Block — Swivel

    Part No.3226
    $159.80 $159.80
    57 mm Aluminum Low-Load Double Block — Swivel

    57 mm Aluminum Low-Load Double Block — Swivel

    Part No.3228
    $314.05 $314.05
    57 mm Aluminum Low-Load Block — Swivel, Becket

    57 mm Aluminum Low-Load Block — Swivel, Becket

    Part No.3229
    $201.10 $201.10
    57 mm Aluminum Low-Load Block —Swivel

    57 mm Aluminum Low-Load Block —Swivel

    Part No.1950
    $159.80 $159.80
    57 mm Aluminum Low-Load Block —Swivel, Becket

    57 mm Aluminum Low-Load Block —Swivel, Becket

    Part No.1951
    $201.10 $201.10
    57 mm Aluminum Low-Load Double Block —Swivel

    57 mm Aluminum Low-Load Double Block —Swivel

    Part No.1952
    $314.05 $314.05
    57 mm Aluminum Low-Load Triple Block —Swivel

    57 mm Aluminum Low-Load Triple Block —Swivel

    Part No.1954
    $466.75 $466.75
    57 mm Aluminum Block — Swivel

    57 mm Aluminum Block — Swivel

    Part No.1958
    $180.40 $180.40
    57 mm Aluminum Block — Swivel, Becket

    57 mm Aluminum Block — Swivel, Becket

    Part No.1959
    $219.85 $219.85
    57 mm Aluminum Double Block — Swivel

    57 mm Aluminum Double Block — Swivel

    Part No.1960
    $357.95 $357.95
    57 mm Aluminum Double Block — Swivel, Becket

    57 mm Aluminum Double Block — Swivel, Becket

    Part No.1961
    $379.85 $379.85
    57 mm Aluminum Loop Block

    57 mm Aluminum Loop Block

    Part No.3195
    $221.75 $221.75
    57 mm Aluminum Low-Load Double Block —Swivel, Becket

    57 mm Aluminum Low-Load Double Block —Swivel, Becket

    Part No.1953
    $255.40 $60.05
    57 mm Aluminum Block — German Admirals Mainsheet System

    57 mm Aluminum Block — German Admirals Mainsheet System

    Part No.HC7798
    57 mm Aluminum Padeye Block

    57 mm Aluminum Padeye Block

    Part No.3044
    $184.75 $184.75
    57 mm Aluminum Low-Load Mastcollar Block

    57 mm Aluminum Low-Load Mastcollar Block

    Part No.3042
    $171.05 $171.05
    57 mm Aluminum Double Footblock

    57 mm Aluminum Double Footblock

    Part No.3222
    $291.40 $291.40
    57 mm Aluminum Stand-up Block

    57 mm Aluminum Stand-up Block

    Part No.3227
    $309.05 $309.05
    57 mm Aluminum Footblock

    57 mm Aluminum Footblock

    Part No.3220
    $166.95 $166.95
    57 mm Aluminum Footblock — Lockoff

    57 mm Aluminum Footblock — Lockoff

    Part No.3221
    $232.40 $232.40
    57 mm Aluminum Double Footblock

    57 mm Aluminum Double Footblock

    Part No.1964
    $291.40 $291.40
    57 mm Aluminum Double Footblock — Lockoff

    57 mm Aluminum Double Footblock — Lockoff

    Part No.1968
    $393.50 $393.50
    57 mm Aluminum Footblock

    57 mm Aluminum Footblock

    Part No.1963
    $166.95 $166.95
    57 mm Aluminum Footblock — Lockoff

    57 mm Aluminum Footblock — Lockoff

    Part No.1967
    $232.40 $232.40

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    N15W24983 Bluemound Rd.  Pewaukee, WI 53072
    Tel: 262.691.3320 | Fax: 262.701.5780
    Email: harken@harken.com 
    Technical Service: technicalservice@harken.com
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