57mm Over-the-Top Double Block

Model # 6581904 Mfg # 3003
4 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
57mm Over-the-Top Double Block
Model # 6581904 Mfg # 3003
4 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Low-profile mast base halyard lead blocks are lightweight and can be grouped in a small area at the mast base. Flared cheeks prevent chafe on the halyards. 

Over-the-top blocks lead lines aft over cabin houses, coamings, and splashguards. They feature high-load sheaves and come in single, double, and triple configurations.

Becket No Becket
Diameter 3/8 Inch or 10 mm
Direction Any
Integral Cleat No Integral Cleat
Length 3 1/4 Inches
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 2500 Pounds
Type Double Upright
Weight 12.2 Ounces
Sheave Diameter 57 mm

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