Description
Harken 57 mm Ratchamatic Block – Swivel, Cam Cleat
[wpv-woo-product-image show_gallery=’true’ show_on_sale_badge=’true’ use_thumbnail_size=’false’ template-source=’toolset’]
[wpv-woo-list_attributes template-source=’toolset’]
[wpv-woo-product-price template-source=’toolset’]
[wpv-woo-buy-options template-source=’toolset’]
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. Unloaded main and jib sheets run out freely during mark rounding and asymmetrical spinnakers free instantly during jibes.
Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style. The holding power of the 57mm bocks are up to 10:1.
| Imperial | Metric | |
| Sheave Diameter | 2 1/4 in | 57 mm |
| Max Line Diameter | 3/8 in | 10 mm |
| Max Working Load | 300 lb | 136 kg |
Additional information
| Vendor | |
|---|---|
| Sheave Size | |
| Block Type | |
| Block Model |
Harken 2.25" Upright Lead Block 
Harken 22 mm Cheek Block 
Harken 22 mm Micro Double Block 
Harken 22 mm Micro Block 
Harken 22 mm Micro Block - Becket 
Harken 22 mm Fiddle Block - V-Jam 
Schaefer 10 Series-3 1/4" Stand-Up Swivel, UC 
60mm Synchro Halyard Blocks 
LEWMAR SYNCHRO CRUISING BLOCKS: 60MM SYNC BLOCK TRIPLE BK 
Harken 2.25" Through-Deck Block 