This is a genuine OEM sourced part which is specially designed for use with Jet hand cahin hoists. It is an identical replacement for a missing or faulty safety latch assembly that was installed on a new unit. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hardware. Kee...Read morep in mind this high-quality assembly is made of durable metal and is sold individually. Note, it includes the latch, the spring, the screw and the nut.