Feature: 1. The tuner wrench is made of high‑quality stainless steel material, owns durable and long service life. Soft suede microfiber backing keeps the metal off your gear 2. Easy to use, perfect for guitar lovers or tuner. Handy pocket‑size wrench quickly fixes loose jacks, pots, switches and tuner. One end of the Multi Spanner is toothed for loosening a nut; the other end tightens it. 3. Installing a new guitar is very easy, and you can adjust the tension so that your guitar sound is stable. For use on many different sizes of nuts, which makes it great for your guitar case 4. This pocket‑sized tooth‑shaped wrench will tighten or loosen most nuts on the guitar, such as output jacks, control potentiometers, pickup switches, tuning pegs, etc. 5. All edges and surfaces are chamfered and polished to avoid damage to the instrument and the area around the instrument, no need to carry around multiple wrenches. Specially angled for clearance over a guitar body or peghead Specification: Item Type: Guitar Tuner WrenchMaterial: Stainless steelColor: Silver . Package List: 1 x Guitar Tuner Wrench Note: Both ends can be used