Description
Harken 57mm-75mm Mast Collar ESP Blocks – 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) | Clevis pin Ø mm (in) |
|---|---|---|---|---|---|---|---|---|
| 6050 | 57 mm Aluminium Mast Collar ESP Block | 57 (2 1/4) | 93.5 (3 11/16) | 122 (4.3) | 16 (5/8) | 850 (2100) | 1900 (4190) | 8 (5/16) |
| 6056 | 75 mm Aluminium Mast Collar ESP Block | 75 (2 15/16) | 117 (4 5/8) | 221 (7.8) | 19 (3/4) | 1361 (3000) | 2721 (6000) | 8 (5/16) |
