1. High- string cutter ensures precise cutting of all kinds of strings.2. Guitar strings magnetic winder with 360 rotation for fast stringing.3. Bridge pin puller for easy removal of bridge pins and knobs.4. 7 tools in one, suitable for all kinds of situations, is a super-efficient string restringing tool.5. Hexagonal spanner x3 (3mm, 1.5mm, 1/20"), one-point screwdriver x1, suitable for a variety of guitar/ common screws, support Vintage Tremolo/ Fixed/2-Point Tremolo/, compatible with locknuts.6. All main parts have been reinforced, light weight and high strength, very suitable for professional guitarists and guitar technicians to use.Specifications:3mm hexagonal spanner for adjusting the height of , bridges and locking nut to lock the tremolo bridge.1.5mm hexagonal spanner for adjusting the saddle height of the bridge.1/20" hexagonal spanner is for adjusting the saddle height of bridges.Color: BlackMaterial: plasticPackage Contents:1*Guitar String CutterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.