3227
57mm HL Standup Block
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.
Technical specifications · Harken 3227
| Sheave diameter | 57 mm |
|---|---|
| Length | 114 mm |
| Maximum working load | 1134 kg |
| Breaking load | 2268 kg |
Padeye included.