Description
Harken 57mm Aluminum Fixed Mastbase Block
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 81 mm |
| Length (in) | 3 3/16 in |
| Width (mm) | 35 mm |
| Width (in) | 1 3/8 in |
| Height (mm) | 73 mm |
| Height (in) | 2 7/8 in |
| Weight (g) | 175 g |
| Weight (oz) | 6.2 oz |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Fasteners (mm) | 6 RH mm |
| Fasteners (in) | 1/4 RH in |
| Maximum working load (kg) | 1136 kg |
| Maximum working load (lb) | 2500 lb |
| Breaking load (kg) | 2273 kg |
| Breaking load (lb) | 5000 lb |
| Number of fasteners | 3 |
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