Description: 【Guitar String Winder Head】: This multifunctional Guitar String Winder Head is a perfect tool for all guitar bass instruments players and DIY makers, designed to make string changes quicker and easier. 【Universal】: Equipped with a high quality electric drill adapter, it can be easily attached to any electric drill for fast and efficient string winding. 【Multipurpose Luthier Tool】: This Tuning Peg Puller features a unique, dual purpose design that not only helps tuning but also aids in repairing and maintaining your instrument. 【Durable】: Guitar String Winder Bridge Pin Puller Remover Made from high quality materials, this tool is durable and built to last, ensuring it can withstand the rigors of constant use. 【Fits】: Easy to use, this Hex Electric Drill Tuning Peg Puller is perfect for a variety of stringed instruments including acoustic guitar, bass, ukuleles, banjo, and mandolins, making it an essential accessory for all musician. Size Chart: 2.6cm/1.02inch Package Includes: 1 Guitar String Winder Head(5 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.