Unlike ordinary peg rewinders, the patented Pro-Winder is a high-quality peg rewinder with integrated clamp, bridge pin puller and chain tensioner. The Pro-Winder is designed to fit virtually all guitars, banjos and mandolins. Ergonomically designed with durable hardened steel wire cutters, the Pro-Winder is the ultimate all-in-one restraining tool. Keep one in all cases! Also available in bass guitar version.