JET JLH-100-20 1-Ton 20-Feet Lift Lever Hoist All Steel Construction. Impact resistant body covers provide exceptional durability and protection Alloy Steel Hooks. Industrial duty rated hooks rotate 360 Degree for easy rigging. Hooks will slowly stretch to indicate an overload situation and feature cast safety latches secured with Allen screws and lock nuts for additional safety Compact Design. Low headroom allows for easy installation and use in confined areas Overload Protection. Slip clutch design overload protection available on all models Weston Style Brake. Double pawl springs provide increased safety redundancy and reliability