Description
Harken 57 mm Ratchamatic Block – Swivel
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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.
| Imperial | Metric | |
| Sheave Diameter | 2 1/4 in | 57 mm |
| Max Line Diameter | 3/8 in | 10 mm |
| Max Working Load | 500 lb | 227 kg |
Additional information
| Vendor | |
|---|---|
| Sheave Size | |
| Block Type | |
| Block Model |
Harken 22 mm Fiddle Block - V-Jam, Becket 
Harken 18 mm T2 Soft-Attach Double Block 
Ronstan Utility Series 50 Fiddle Block with Becket, Universal Head 
Ronstan Utility Series 40 Fiddle Block, Universal head 
Ronstan Utility Series 40 Single Block, Stand Up 
Ronstan Utility Series 40 Fiddle Block with Becket and Cam, Universal Head 
Ronstan Utility Series 40 Double Block, 2-Axis Shackle Head 
Ronstan Utility Series 50 Fiddle Block, Universal Head 
Ronstan Utility Series 40 Single Cheek Block (Alloy Cheeks) 
Ronstan Utility Series 40 Triple Block with Becket, 2-Axis Head 
Ronstan Utility Series 40 Single Block, Universal Head 
Ronstan Utility Series 50 Single Block with Becket, Universal Head 