Harken 75mm Runner Block w/Becket

Harken 75mm Runner Block w/Becket

Brand: Harken
Part Number: 3239
$686.95

Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions.

Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines.

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)146 mm
Length (in)5 3/4 in
Weight (g)318 g
Weight (oz)11.2 oz
Clevis pin Ø (mm)12.7 mm
Clevis pin Ø (in)1/2 in
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)4544 kg
Breaking load (lb)10000 lb


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