set2: 4 x Drum Keys + 1 x Guitar Banjo Mandolin Tool Patented, high-quality peg winder with built-in string cutter. Ergonomically designed for efficient and comfortable use. Integrated bridge pin puller for acoustic instruments. Fits virtually all guitars, banjos and mandolins. The ultimate restringing tool - keep one in every case. MATERIAL: Metal construction, solid and to use, for easy carry FITS- all Drums with 1/4in Socket Square Tension Rods CONTINUOUS MOTION SPEED KEY- a handy speed key, which is terrific when changing drum heads PRACTICAL- great for adjusting the tension rods on drums for the desired pitch The regular keys have the right size, weight and feel for tuning drums, plus there's 3 of them, in case you lose one (which you probably !). It also comes with a handy speed key, which is terrific when changing heads. Approximate Product Dimensions: .0.9 inch x 8.5 inch x 3.1 inch (Length x Width x Height) FUNCTION: essential drum accessory make sure your drum are always in fine tune colour: Silver/black Material: Metal/Plastic,Metal Package Contents: 4 x Drum Keys 1 x Guitar Banjo Mandolin Tool Only the above package content, other products are not included. Note: Light 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.