Yak Gear Well Nut 1 in.

The Well Nut threaded insert is a flanged neoprene bushing with a brass machine nut molded into one end. Tightening a conventional machine screw threaded in the brass nut causes the insert to expand, making a secure fastening. Uses 10 32 machine screws not included. Uses 10 32 machine screws not included, Available in two sizes, standard 58 in. and 1 in. long, Sold individually, Screws not included, Model Year: 2016, Product ID: 430592, Model Number: WELL101