Description
Harken 75mm Aluminum Narrow 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) | 75 mm |
| Sheave Ø (in) | 3 in |
| Length (mm) | 113 mm |
| Length (in) | 4 7/16 in |
| Width (mm) | 77 mm |
| Width (in) | 3 1/32 in |
| Weight (g) | 181 g |
| Weight (oz) | 6.4 oz |
| Maximum line Ø (mm) | 12 mm |
| Maximum line Ø (in) | 1/2 in |
| Maximum working load (kg) | 1134 kg |
| Maximum working load (lb) | 2500 lb |
| Breaking load (kg) | 2268 kg |
| Breaking load (lb) | 5000 lb |
| Clevis pin Ø (mm) | 8 mm |
| Clevis pin Ø (in) | 5/16 in |






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