Harken 243 Micro Stand Up Block

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Product Overview

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.

  • Sheave Ø (mm)22 mm
  • Sheave Ø (in)7/8 in
  • Length (mm)38 mm
  • Length (in)1 1/2 in
  • Weight (g)28 g
  • Weight (oz)1 oz
  • Maximum line Ø (mm)6 mm
  • Maximum line Ø (in)1/4 in
  • Fasteners (mm)5 RH mm
  • Fasteners (in)#10 RH in
  • Maximum working load (kg)91 kg
  • Maximum working load (lb)200 lb
  • Breaking load (kg)544 kg
  • Breaking load (lb)1200 lb

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.


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