Harken

Harken 75mm Footblock

Harken 75mm Footblock

Brand: Harken
Part Number: 3234
$405.95

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

Sheave Ø (mm)75 mm
Sheave Ø (in)2 15/16 in
Length (mm)151 mm
Length (in)5 15/16 in
Weight (g)442 g
Weight (oz)15.6 oz
Maximum line Ø (mm)14 mm
Maximum line Ø (in)9/16 in
Maximum working load (kg)2268 kg
Maximum working load (lb)5000 lb
Breaking load (kg)4536 kg
Breaking load (lb)10000 lb
A (mm)75 mm
A (in)2 15/16 in
B (mm)72 mm
B (in)2 13/16 in
C (mm)43 mm
C (in)1 11/16 in
IncludesIncludes padeye. Uses hole spacing and base dimensions of 627 padeye. Maximum working load decreases at varying angles. 
FootnoteUses hole spacing and base dimensions of 627 padeye. Maximum working load decreases at varying angles. 


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