The Billet Aluminum Fifth Wheel Release Knob is a practical and durable solution for Peterbilt 370 Series owners. Made from high-quality billet aluminum with a chrome finish, this knob offers a sleek and stylish look. Its 1/4 inch diameter and 20 threaded turn-on style ensure a secure fit. Designed to fit most Peterbilt 370 Series makes and models, this knob is sold individually. Upgrade your fifth wheel release with this reliable and easy-to-use knob.