Harken 8.0T 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) 104 mm
Sheave Ø (in) 4 3/32 in
Length (mm) 136 mm
Length (in) 5 3/8 in
Weight (g) 712 g
Weight (oz) 25.11 oz
Maximum line Ø (mm) 18 mm
Maximum line Ø (in) 11/16 in
Maximum working load (kg) 8000 kg
Maximum working load (lb) 17600 lb
Breaking load (kg) 16000 kg
Breaking load (lb) 35200 lb
Footnote Loop not included