Description
Harken 75mm Black Magic Double Lock-Off Footblock
Harken 75mm Black Magic Double Lock-Off Footblock is used to redirect lines on the deck. Additionally, Foot-blocks with lock-offs temporarily secure sheets.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Side-plates and sheaves Hard Lube anodised for maximum UV protection and a smooth surface. Centre cage keeps Torlon® roller bearings separated and parallel to reduce friction.
Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
| Sku | Name | Sheave Ø mm (in) | Length mm (in) | Weight g (oz) | Maximum line Ø mm (in) | Maximum working load kg (lb) | Breaking load kg (lb) | Height mm (in) | Number of fasteners | Fasteners mm (in) | A mm (in) | B mm (in) | C mm (in) | D mm (in) | E mm (in) | F mm (in) | G mm (in) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3237 | 75 mm Black Magic Air Aluminium Double Footblock — Lockoff | 75 (2 15/16) | 111 (4 3/8) | 574 (20.24) | 14 (9/16) | 1572 (3465) | 3143 (6930) | 57 (2 1/4) | 4 | 8 FH (5/16 FH) | 11.5 (15/32) | 28.5 (1 1/8) | 70.5 (2 3/4) | 21 (13/16) | 77 (3) | 110 (4 5/16) | 17 (21/32) |
