2633
57mm Carbo Ratchamatic Cheek Block
The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless.
Technical specifications · Harken 2633
| Sheave diameter | 57 mm |
|---|---|
| Length | 83 mm |
| Weight | 89 g |
| Maximum line diameter | 10 mm |
| Maximum working load | 227 kg |
| Breaking load | 907 kg |
For versions with a cam cleat, the stated loads are limited by the strength of the cleat.