It is an identical replacement for the hardware that was installed on a new equipment. The knob provides a user with a comfortable grip to make necessary adjustments. Check the owner's manual and the diagrams for your specific model to ensure the correct repair and application of this part. This high-quality ratchet knob is made of durabl...Read moree metal and is sold as an individual item. It is supplied by the original manufacturer for Ridgid power tools.