Description
Harken 57mm Aluminum Mastcollar ESP Block
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.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 93.5 mm |
| Length (in) | 3 11/16 in |
| Weight (g) | 122 g |
| Weight (oz) | 4.3 oz |
| Maximum line Ø (mm) | 16 mm |
| Maximum line Ø (in) | 5/8 in |
| Maximum working load (kg) | 850 kg |
| Maximum working load (lb) | 2100 lb |
| Breaking load (kg) | 1900 kg |
| Breaking load (lb) | 4190 lb |
| Clevis pin Ø (mm) | 8 mm |
| Clevis pin Ø (in) | 5/16 in |
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