Description
Harken 57-75mm Stainless ESP Lock-Off Footblocks – Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.
| 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) | A mm (in) | B mm (in) | C mm (in) | Fasteners mm (in) | Maximum lockoff load kg (lb) | Footnote |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6070 | 57 mm Stainless Steel ESP Footblock — Lockoff | 57 (2 1/4) | 132 (3 3/4) | 255 (9) | 16 (5/8) | 1000 (2205) | 2000 (4409) | 50 (1 31/32) | 55 (2 5/32) | 57 (2 1/4) | 10 FH (3/8 FH) | 295 (650) | If double stacked, upper block/organizer is two-thirds of listed MWL and breaking load. |
| 6074 | 75 mm Stainless Steel ESP Footblock — Lockoff | 75 (3) | 111 (4 3/8) | 482 (17) | 19 ( 3/4) | 1587 (3500) | 3175 (7000) | 51 (2) | 63 (2 1/2) | 74 (2 29/32) | 10 FH (3/8 FH) | 340 (750) | If double stacked, upper block/organizer is two-thirds of listed MWL and breaking load. |
