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 operation, 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: Condition: Brand New 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 13 in 1 multi-purpose musical instrument restring tool functions as string winder, string cutter and bridge pin puller. 2Motorized string winder and string cutter, simple operation, saving time and effort. 3The unique design of the puller can easily pull out bridge pins without any damage to guitar bridge. 4Built-in li-ion battery, charged by the supplied USB cable. 5Compact and lightweight, easy to store and carry about.