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Wire High-Strength

51 mm Wire Cheek Block

Part No. 309
$88.30  Limited Quantities In Stock
Sheave Ø (mm)51 mm
Sheave Ø (in)2 in
Maximum wire Ø (mm)5 mm
Maximum wire Ø (in)3/16 in
Maximum working load (kg)907 kg
Maximum working load (lb)2000 lb

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.

Sheave Ø (mm)51 mm
Sheave Ø (in)2 in
Weight (g)170 g
Weight (oz)6 oz
Maximum wire Ø (mm)5 mm
Maximum wire Ø (in)3/16 in
Maximum line Ø (mm)6 mm
Maximum line Ø (in)1/4 in
Fasteners (mm)8 RH mm
Fasteners (in)5/16 RH in
Maximum working load (kg)907 kg
Maximum working load (lb)2000 lb
Breaking load (kg)1814 kg
Breaking load (lb)4000 lb
FootnoteFasteners included 
DWG: 309.dwg (open/save)
DXF: 309.dxf (open/save)
EPS: 309.eps (open/save)
High-res JPG: 309.jpg (open/save)

DO NOT use Harken Equipment for Human suspension.

  • United States
  • Australia
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  • Italia
  • New Zealand
  • Polska
  • Sverige
  • UK