3940-99-942-4226

Tackle Block

3940999424226 999424226 BS4344 E3EC8304 DEFSTAN39-1

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. View more Tackle Block