HIGH QUALITY Each winder is made of high quality materials and is subject to strict quality control. Sturdy and durable: the ergonomic crank has a sturdy handle and strong mounting screws so you can enjoy it for a long time. Time saving: use the string winder for a quick string change. Easy to change the strings in just a few seconds. Versatile: Also suitable for strings, the winder has a handy pin puller to make the bridge strings more comfortable and easier to unwind the bridge strings onto the body. This protects nerves and nails. Versatile: the guitar crank is perfect for Western, Acoustic, Classical and Electric guitars and fits in any guitar case.