Description
Harken 40mm Aluminum Mast Collar 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. Use teardrop blocks for direct attachment to padeyes, mast collar posts, perforated mast collars, or in mastbase situations where leads might change.
Technical Description
| Sheave Ø (mm) | 40 mm |
| Sheave Ø (in) | 1 9/16 in |
| Length (mm) | 65.5 mm |
| Length (in) | 2 19/32 in |
| Weight (g) | 64 g |
| Weight (oz) | 2.2 oz |
| Maximum line Ø (mm) | 12 mm |
| Maximum line Ø (in) | 1/2 in |
| Maximum working load (kg) | 567 kg |
| Maximum working load (lb) | 1250 lb |
| Breaking load (kg) | 1134 kg |
| Breaking load (lb) | 2500 lb |
| Clevis pin Ø (mm) | 6 mm |
| Clevis pin Ø (in) | 1/4 in |
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