Harken 125mm Aluminum Block — Swivel

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: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting. 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) 254 mm
Length (in) 10 in
Width (mm) 127.5 mm
Width (in) 5 in
Weight (g) 1058 g
Weight (oz) 37.31 oz
Shackle pin Ø (mm) 12 mm
Shackle pin Ø (in) 1/2 in
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

Brand	HARKEN
SKU	3256
GTIN	097653265757

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