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Description
Harken 2625.HTE 57mm Ratchamatic Block: medium/light air; 10:1 holding power.
The Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless.
The spring on the HT (high-threshold engage) version of the 57mm Carbo Ratchamatic blocks was made stiffer to delay the point where the ratchet engages, allowing the block to run free more of the time. The ratchet function engages at higher loads to allow the old kite sheet to run free for crisper gybes.
Adjustment is made by an Allen key.
Block Properties
| Sheave diameter | 57 mm |
| Length | 103 mm |
| Weight | 104 g |
| Shackle pin diameter | 5 mm |
| Max. working load | 227 kg |
| Breaking load | 907 kg |
