HARKEN 29mm Self-Contained Sheaves, 161 Complementary Hardware_Replacement Bearings Shifting between ratchet and light

Shifting between ratchet and light air modes is seamless

and offshore boats to 27 ft (8 m)

Harken 57mm Carbo Air® Double Block allows a 2:1 or 3:1 purchasing system

Harken 40mm Carbo Air® Stand-up Block with spring to construct a 2:1 or 3:1 purchase

Smooth surfaces and radiused center holes minimize line wear

HARKEN 29mm Self-Contained Sheaves, 161 Complementary Hardware_Replacement Bearings Shifting between ratchet and lightSelf contained sheaves are designed for sailors to use in custom applications. The Micro, Bullet, and Big Bullet sheaves are Delrin with Delrin ball bearings. They are scored for rope. 16 mm sheaves are Delrin and feature stainless ball bearings that ride in a grooved race. Midrange sheaves come in either Delrin or aluminum for wire. Wire sheaves are Hard Lube anodized aluminum that rides on high load composite bearings. Ball bearings in the 38 mm (1