Lever Blocks MANUAL CABLE PULLER LEVER BLOCKS SERIES lever blocks suppliers in China Specification: All hoists are supplied complete with 20 meter wire rope and an extendable operating lever. Wire rope is tapered one end and fitted with a hook and safety catch at the other end. The hoist has low maintenance requirements and is easy to service. Overload protection ensures high personal safety when in operation . Specially built-in shear pins can be replaced without removing the load. TECHINCAL PARAMETERS: Blocks