Harken 75mm Triple Ratchamatic Block Swivel, Becket, Cam Cleat, 57 mm Block Performance static thrust (approximately 2-3 hp)

static thrust (approximately 2-3 hp)

Rugged case construction conforms to Military Standard (MIL-STD-810F)

Phased 1/2 wave elements in a collinear array with choking sleeve to suppress cable radiation

and composite fiber-reinforced sideplates

Heavy-duty stainless steel D-rings built into the front of the vest can attach to safety tethers

Harken 75mm Triple Ratchamatic Block Swivel, Becket, Cam Cleat, 57 mm Block Performance static thrust (approximately 2-3 hp)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.