Manufacturer part #: 3219
Technical Description
57 mm Triple Block
-
57 mm
5 3/16 in
132 mm
13.34 oz
378 g
5/16 in
8 mm
7/16 in
12 mm
4850 lb
2200 kg
9700 lb
4400 kl
Manufacturer part #: 3219
Redesigned with a sleek new look the Black Magic Air blocks has their same unique, performance-packed engineering as ever. Offshore boats keen in, these strong, lightweight blocks reduced wear manwhile feature Torlon® roller bearings for strength.
Rollers are housed in a center cage and stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion.
Redesigned with a sleek new look the Black Magic Air blocks has their same unique, performance-packed engineering as ever. Offshore boats keen in, these strong, lightweight blocks reduced wear manwhile feature Torlon® roller bearings for strength.
Rollers are housed in a center cage and stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion.