Harken Hexaratchets grip loaded sheets with up to 15:1 holdong power, yet allow line to be eases instantly with complete control. Ratchets feature an eight-sided sheave machined from solid aluminum for strength and corrosion resistance. Low friction Delrin ball bearings allow fast trimming under high or low loads. A switch turns off the ratchet in light air. 7/16 LINE, MWL 750#, BS 1500# WT. 81/2OZ.