This is an original replacement part directly sourced from the manufacturer. The left handle grip is constructed of high-quality, black plastic. The l.h. grip handle is used to help maintain control of the sod cutting machinery. This item fastens onto the main handle, and is sold individually. No tools are needed to make the replacement. For Use With: Jet JWBS-14CS (708115K) 14-inch Woodworking Band Saw JWBS-14CS (708115K) 14-inch Woodworking Band Saw JWBS-14OS (708113A) 14-inch Woodworking Band Saw JWBS-14OS (708113A) 14-inch Woodworking Band Saw