Features 1、Includes convenient practical winder and trimmer, winder helps tighten the string, cutter cuts off the excess strings, which help beginners to change guitar strings easily 2、There are three sets of guitar strings that can be replaced at any time, and 12pcs of fixed nails can be spared 3、You can easily adjust the position of guitar capo with just one hand, the silicone pad can protect the instrument from any scratches or damage 4、Guitar accessories kit is suitable for electric guitars, ukuleles, banjos, folk guitars and mandolin 5、The top quality tuner have high sensitivity vibration and bright large led display, easy to read Specification Item Type: Guitar accessories kit Usage: Used for guitar performance and guitar strings changing Material: Metal + plastic (composed of complex materials) Tuner Power: 2032 Button battery Instructions: Install and select the guitar mode, play the guitar strings, tighten the string indicator to the left, turn on the guitar string to the right, and adjust repeatedly until the pointer is at the center, and the LED display changes from blue to green. Package List 1 Set of Brass Strings(6pcs) 1 Set of Copper Strings(6pcs) 1 Set of Colored Strings(6pcs) 12 x Celluloid Picks 1 x Tuner 1 x Tuner User Manual 1 x String Cutter 1 x Capo 1 x Winder 1 Set of White Solid String Pins(6pcs) 1 Set of Black Solid String Pins(6pcs)