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Celebrate with the Harken 50th Anniversary 57mm Carbo Ratchet Block. Ideal for sailors, the Harken 57mm Carbo ratchet block ensures a perfect blend of strong holding power and smooth, controlled easing. Experience the best with Harken Ratchet block technology.
| Weight (oz) | 3 oz |
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 103 mm |
| Length (in) | 4 1/16 in |
| Weight (g) | 85 g |
| Shackle pin Ø (mm) | 5 mm |
| Shackle pin Ø (in) | 3/16 in |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Maximum working load (kg) | 227 kg |
| Maximum working load (lb) | 500 lb |
| Breaking load (kg) | 907 kg |
| Breaking load (lb) | 2000 lb |
| Holding power | 10:1 |
Item 2135.RED