Select Page

Harken Block 12:1 Mainsheet Carbo Ratchamatic Base

$490.35 each

SKU: 56-9964 Categories: , ,

Product Description

Harken #HSB378 is a 57 mm triple fiddle with reinforced cam arms that is used for 12:1 mainsheet systems on beach cats.

Low-friction Carbo AirBlocks® are lightweight, strong, reliable and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming.

Specifications:

  • Sheave Diameter: 2-1/4″
  • Length: 6″
  • Maximum Line Diameter: 3/8″
  • Shackle Pin Diameter: 1/4″
  • Maximum Working Load: 2380 lb.
  • Harken #HSB378

Note: Maximum working loads and breaking loads for blocks are based on cam strengths.

Special order item.

You may also like…

  • Dacron Spun Braid 3/8″

    $1.05$1.35
  • FSE Robline 9mm Racing Sheet

    FSE Robline 9mm Racing Sheet

    $2.00
  • Harken 57mm Carbo Ratchamatic 12:1 Low-Profile Mainsheet System

    $645.00
  • McLube One Drop Ball Bearing Conditioner .5 oz

    $10.99
  • Harken Block 12:1 Mainsheet Carbo Boom

    $205.55