Harken 57mm Carbo Ratchamatic Cheek Block

Cheek 57mm Carbo Ratchamatic Cheek with Shackle
The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads automatically engages the ratchet as loads increase.
Shifting between ratchet and light-air modes is seamless.
Unloaded main and jib sheets run freely during mark roundings as asymmetrical spinnakers free instantly during jibes.
Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style.
The Ratchamatic cheek block mounts on either port or starboard.Use for: Main / Jib Sheets Asymmetric spinnakers
Sheave 57 (mm)
Length 83 (mm)
Weight* 89 (g)
Shackle Pin Dia.- (mm)
Max Line 10 (mm)
Max Working Load 227 (kg)
Breaking Load 907 (kg)
Cheek 57mm Carbo Ratchamatic Cheek with Shackle
The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads automatically engages the ratchet as loads increase.
Shifting between ratchet and light-air modes is seamless.
Unloaded main and jib sheets run freely during mark roundings as asymmetrical spinnakers free instantly during jibes.
Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style.
The Ratchamatic cheek block mounts on either port or starboard.Use for: Main / Jib Sheets Asymmetric spinnakers
Sheave dia: 57 mm
Length: 83 mm
Weight*: 89 g
Max line: 10 (mm)
Max working load: 227 (kg)
Breaking load: 907 (kg)
* Weight with shackle
**Includes RH fasteners and mounting pad.
***Maximum working loads and breaking loads for blocks based on cam strengths.

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Delivery Information.