Harken 3.0T Alum Loop V Block

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The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by combining the axial and thrust bearings into a single bearing set of V-shaped titanium rollers. The result is a strong, lightweight block that offers unmatched efficiency at high loads, while spinning freely at low loads for smooth easing in light air. 

Harken V blocks have aluminum sideplates, titanium sheave, and captive titanium roller bearings. V blocks are easy to disassemble for inspection and maintenance.


Sheave Ø (mm) 56 mm
Sheave Ø (in) 2 3/16 in
Length (mm) 77 mm
Length (in) 3 in
Weight (g) 124.7 g
Weight (oz) 4.4 oz
Maximum line Ø (mm) 11 mm
Maximum line Ø (in) 7/16 in
Maximum working load (kg) 3000 kg
Maximum working load (lb) 6600 lb
Breaking load (kg) 6000 kg
Breaking load (lb) 13200 lb
Footnote Loop not included