Mast Base Lead Block Hi-Load

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SKU: 1988 Categories: ,
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For leading lines aft and over cabin tops or coamings. Narrow sheave carriers permit mounting several in a small area. Low lead profile keeps lines close to the deck. Standard block features a stainless shell, Delrin sheaves and roller bearings. High-load blocks have aluminum sheaves with ball bearings and Teflon-composite bushings designed to carry the high static loads of halyards.

  • Sheave: 1-3/4″
  • Ball Bearings: Standard: Delrin; Hi-Load: carbon-black bushings
  • Sheave Size: 1986: 1-3/4″ (44mm); 1988 & 3002: 2-1/4″ (57mm)
  • Line Diameter: 3/8″ max.
  • Cheek Material/Finish: Standard: Polished stainless; Hi-Load: anodized aluminum

Additional information

Sailboat Blocks

Fairlead Blocks

Ball Bearings Delrin
Becket No Becket
Diameter 3/8 Inch or 10 mm
Direction Any
Integral Cleat No Integral Cleat
Length 3 3/16 Inches
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 2500 Pounds
Type Single Upright
Sheave Diameter 57 mm
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