HARKEN 57mm Triple Carbo Ratchamatic Block - Becket, Cam Cleat, 2630 Mast Hardware_Plates with free-running ball bearings that

with free-running ball bearings that roll on flat races with minimal friction

Stainless models are 15-5PH

Both the 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft

The 30mm single block with stand-up swivel is a true workhorse and is suitable for use in most dinghy control line systems

smooth-running blocks feature stainless steel or aluminum cheeks

HARKEN 57mm Triple Carbo Ratchamatic Block - Becket, Cam Cleat, 2630 Mast Hardware_Plates with free-running ball bearings thatThe 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 roundings 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