Harken 125mm Aluminum Stand-up Block

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. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C. Sheave Ø (mm) 125 mm
Sheave Ø (in) 4 15/16 in
Length (mm) 230 mm
Length (in) 9 1/16 in
Width (mm) 127.5 mm
Width (in) 5 1/32 in
Weight (g) 1268 g
Weight (oz) 44.72 oz
Maximum line Ø (mm) 19 mm
Maximum line Ø (in) 3/4 in
Maximum working load (kg) 4990 kg
Maximum working load (lb) 11000 lb
Breaking load (kg) 9979 kg
Breaking load (lb) 22000 lb
A (mm) 93 mm
A (in) 3 21/32 in
B (mm) 106 mm
B (in) 4 3/16 in
C (mm) 57 mm
C (in) 2 1/4 in
Includes Includes padeye. Uses hole spacing and base dimensions of 648 padeye. Maximum working load decreases at varying angles.
Footnote Uses hole spacing and base dimensions of 648 padeye. Maximum working load decreases at varying angles.

Brand	HARKEN
SKU	3261
GTIN	097653265788

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