Harken 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.

Product Specifications
Sheave Diam (mm)=57
Sheave Diam (in)=2.25
Max Rope Diam (mm)=10
Max Rope Diam (in)=0.375
BL (kg)=227
BL (lb)=500
MWL (kg)=227
MWL (lb)=500

Link to Harken Product Page