For pulling pots, anchors or anything heavy with ease. A compact design that works great on small boats. May also be mounted to any flat surface. Recommended for non-commercial, single-trap use. Mounts to rails 3/4″ – 1-1/4″ diameter. Sheave is 1″ wide. Maximum rope size: 1/2″. Weight: 1.28 lbs.WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov