Since one tool can handle everything, why use two tools to complete your case? This guitar string plug can be used for winding and nailing to facilitate faster string changes. Suitable for electric and acoustic guitars, bass, banjo. Features -Color:Black -Material:Metal -Size:6.20X2.30X2.30cm/2.44X0.90X0.90in -Simple structure designed, the plug can be installed easily. Change strings easily and faster. - design, small size, easy to carry and easy to operate. It is extremely functional and meets the daily maintenance needs of guitarists. -The small size design is convenient for storage and carrying, saving space for your handbag. -It makes re-stringing any guitar quick and easy. It is simple but practical. -Suitable for guitars, banjos and other stringed instruments, very good repair tools. Package list: 1 x String Winder Head Tool