Feature: 1. RUBBER HAMMER: The guitar string hammer kit include a hammer with an excellent rubber head to prevent injury to string nails or nuts, protective and useful 2. GUITAR REPAIR SUPPLIES: The guitar string changer kit is perfect for maintaining and keeping guitars and other instruments intact and neat, useful and practical 3. WEAR RESISTANT MATERIAL: Alloy 12CM open wrench, specially designed for the hex nut on the guitar accessories, the common knob nut and potentiometer nut are 12cm nuts, lightweight design, wear resistance and durability are high 4. COMPACT AND PORTABLE: Guitar string stretcher tool is small, easy to carry out, convenient to use, and practical, provide great convenience for maintenance 5. WIDE APPLICATION: Guitar string change tool kit is suitable for electric guitar, mandolin, bass, ukulele, banjo, acoustic guitar, etc., very versatile Specification: Item Type: Guitar String Stretcher Tool Material: Metal and beech Application: For electric guitar, mandolin, bass, ukulele, banjo, acoustic guitar, etc.. Package List: 1 x Dusting Brush 1 x String Winder 1 x Hammer 1 x L Shaped Wrench 1 x Cross Screwdriver 1 x Wiping Cloth 1 x Pliers 1 x Wrench 1 x Storage Bag