- Delivery & Returns
Harken 2633 57mm Carbo Ratchamatic Cheek Block. The Carbo Ratchmatic 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. unloaded main and jib sheets run out freely during mark roundings and asymmetrical spinnakers free instantly during jibes.
Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style.
- Sheave diameter:57mm
- Length: 83mm
- Weight: 89g
- Maximum line diameter:10mm
- Maximum working load: 227kg
- Breaking load: 907kg
- Holding power w/180 degree wrap: 10:1
Delivery & Returns
You can select your preferred delivery option or local pick up from Rooster at checkout.
We are happy to accept your returns so long as you send them back within 30 days.
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Phone: +44 (0)1243 389997