Description This item is well made of premium material for durable and practical use. With and precise design, this pocket-size toothed wench will tighten or loosen most nuts or thumb wheels found on guitars, like output jack, control pot, pickup switch, tuning machine and bridge thumbwheels. Feature - Color: As shown. - Material: Stainless steel. - Size: Approx. 9.5 x 2 x 0.3 cm / 3.7 x 0.8 x 0.1 inch (L x W x H). - Made of premium material, sturdy and durable. - All edges and surfaces have been chamfered and polished to avoid damage to body and surrounding area. - Specially angled for clearance over a guitar body or peghead. - Suitable for guitar, bass, etc.Packing list: 1 x Multifunction Spanner Wrench Knob Jack Tuner Bushing Pocketable Tool Guitar Bass Accessory