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57 mm Aluminum Stand-up Block 57 mm Aluminum Stand-up Block
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57 mm Black Magic

57 mm Aluminum Stand-up Block

Part No. 3227
$341.15  In Stock
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in)7/16 in
Maximum working load (kg)1134 kg
Maximum working load (lb)2500 lb

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)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)114 mm
Length (in)4 1/2 in
Weight (g)200 g
Weight (oz)7.04 oz
Maximum line Ø (mm)12 mm
Maximum line Ø (in)7/16 in
Maximum working load (kg)1134 kg
Maximum working load (lb)2500 lb
Breaking load (kg)2268 kg
Breaking load (lb)5000 lb
Fasteners (mm)6 mm
Fasteners (in)1/4 in
Fastener circle (mm)37 mm
Fastener circle (in)1 15/32 in
A (mm)57 mm
A (in)2 7/32 in
B (mm)56 mm
B (in)2 3/16 in
C (mm)32 mm
C (in)1 1/4 in
Drawing - DWG:  3227.DWG (open/save)
Drawing - DXF:  3227.DXF (open/save)
3D drawing - IGS:  3227.IGS (open/save)
Photo - EPS:  3227.eps (open/save)
Photo - JPG:  3227.jpg (open/save)
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