Harken 3247 100mm Single Black Magic High-Load Swivel Block With Becket
Harken 3247
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)100 mm
Sheave Ø (in)3 15/16 in
Length (mm)241 mm
Length (in)9 1/2 in
Weight (g)675 g
Weight (oz)23.82 oz
Shackle pin Ø (mm)10 mm
Shackle pin Ø (in)3/8 in
Maximum line Ø (mm)16 mm
Maximum line Ø (in)5/8 in
Maximum working load (kg)3402 kg
Maximum working load (lb)7500 lb
Breaking load (kg)6804 kg
Breaking load (lb)15000 lb
Harken 3247 100mm Single Black Magic High-Load Swivel Block With Becket
Sale price$845.95
Regular price$960.70
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Harken 3247 100mm Single Black Magic High-Load Swivel Block With Becket
Sale price$845.95
Regular price$960.70