HARKEN 57mm Triple Carbo Ratchamatic Block - Becket, Cam Cleat, 2630 Mast Hardware_Plates smooth-running blocks feature stainless steel

smooth-running blocks feature stainless steel or aluminum cheeks

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

The 484 features a bronze sheave for added durability

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

Delrin sheave and ball bearings

HARKEN 57mm Triple Carbo Ratchamatic Block - Becket, Cam Cleat, 2630 Mast Hardware_Plates smooth-running blocks feature stainless steelThe 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