Manufacturer part #: 3237
Technical Description
75 mm Double Footblock w/Lockoff
3 in
75 mm
4 3/8 in
111 mm
2 1/4 in
57 mm
20.24 oz
574 g
9/16 in
14 mm
3465 lb
1572 kg
6930 lb
3143 kg
4 x 5/16
4 x 8
Manufacturer part #: 3237
Redesigned with a sleek look the Black Magic Air blocks has their same unique, performance-packed engineering as ever.
Feature Torlon® roller bearings which stay parallel for low-friction efficiency housed in a center cage; the block carry some of the highest loads imposed by running rigging.
Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Blocks are easily disassembled with a single hex wrench. Dissimilar metals are isolated to minimize corrosion.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Use for:
Redesigned with a sleek look the Black Magic Air blocks has their same unique, performance-packed engineering as ever.
Feature Torlon® roller bearings which stay parallel for low-friction efficiency housed in a center cage; the block carry some of the highest loads imposed by running rigging.
Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Blocks are easily disassembled with a single hex wrench. Dissimilar metals are isolated to minimize corrosion.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Use for:
- Genoas
- Spinnakers