Special Features:

Bronze bushed; new style blocks feature higher working load limits; painted or galvanized steel with replaceable wood bumpers; laser cut side plate opens for insertion of wire rope; incorporates exclusive bolt retaining sprint to assure no lost bolts, plus utilizes secondary retaining pin; bronzed bushed sheaves with larger bearing diameter for extended block life; utilizes crosby n syle hooks with integrated latch; lubricated center pin; 10 inch and 12 inch sizes utilize steel sheaves ; block size-12 inch

Properties:

A mechanical device, consisting of a pulley(s) or sheave(s) encased in a shell or frame which may be provided with a means such as a hook, eye, strap, screw, etc., by which it may be attached to an object. It is used to change direction of a running rope and/or to gain a mechanical advantage.