Description
Harken 57 mm Ratchamatic Block – Swivel, Becket
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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 2.25" Through-Deck Block 
Ronstan Utility Series 40 Double Block with Becket, 2-Axis Shackle Head 
Ronstan Utility Series 40 Single Block, Stand Up 
Harken 22 mm Micro Double Block 
Ronstan Utility Series 50 Single Block with Becket, Loop Head 
Ronstan Utility Series 50 Single Block, Stand Up 
Harken 2.25" Upright Lead Block 
Ronstan Utility Series 50 Fiddle Block with Becket and Cam Cleat, Universal Head 
Ronstan Utility Series 40 Fiddle Block with Becket, Universal Head 
Ronstan Utility Series 40 Single Cheek Block (S.S. Cheeks) 
Ronstan Utility Series 40 Single Block, Loop Head 
Ronstan Utility Series 50 Single Block with Becket, Universal Head 
Ronstan Utility Series 40 Fiddle Block with Cam Cleat, Universal Head 
Ronstan Utility Series 40 Single Block with Becket, Loop Head 