Features 1、3 in 1 multi-purpose musical instrument restring tool functions as string winder, string cutter and bridge pin puller. 2、Motorized string winder and string cutter, simple to operate, saving time and effort. 3、The unique design of the puller can easily pull out bridge pins without any damage to guitar bridge. 4、Built-in li-ion battery, charged by the supplied USB cable. 5、Compact and lightweight, easy to store and carry about. Specifications: Features: 3 in 1 multi-purpose musical instrument restring tool functions as string winder, string cutter and bridge pin puller. Motorized string winder and string cutter, simple to operate, saving time and effort. The unique design of the puller can easily pull out bridge pins without any damage to guitar bridge. Built-in li-ion battery, charged by the supplied USB cable. Compact and lightweight, easy to store and carry about. Specification: Item Type: Restring Tool Material: Metal+plastic Color: As picture Package List: 1 x 3 in 1 Restring Tool 1 x USB Cable 1 x User Manual Package List