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HarkenHarken 57mm Low Load Double Block
Product Description

Use 57 mm Black Magic® AirBlocks® on offshore boats. These strong, lightweight blocks are sculpted aluminum, with Torlon® rollers and carbon-black balls for strength and UV protection. Rollers are housed in a unique center cage and are isolated for less friction. Blocks feature a three-way head system and come in high- and low-load configurations.

Use for:
Sheets, Halyards, Running backstays and Control lines.

Part Number: 3228
**Repalces 1952

Specifications
Imperial Metric
Sheave Dia. - 57 mm
Length 5 3/16" 132 mm
Weight w/Shackle 12.05 oz 342 gr
Shackle Pin Dia. 5/16" 8 mm
Max Line Dia. 7/16" 12 mm
Maximum Working Load 2755 lbs 1250 kg
Breaking Load 5510 lbs 2500 kg
 
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    Code: HAR3228
    Original Price:$320.35
    Price: $281.91
    (You Save: $38.44)

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