HARKEN BLACK MAGIC STANDUP BLOCK 75MM
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.
Sheave Ø (mm)
75 mm
Sheave Ø (in)
2 15/16 in
Length (mm)
151 mm
Length (in)
5 15/16 in
Weight (g)
442 g
Weight (oz)
15.6 oz
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)
4536 kg
Breaking load (lb)
10000 lb
A (mm)
75 mm
A (in)
2 15/16 in
B (mm)
72 mm
B (in)
2 13/16 in
C (mm)
43 mm
C (in)
1 11/16 in
Includes
padeye
Footnote
Uses hole spacing and base dimensions of 627 padeye. Maximum working load decreases at varying angles.