This product is a convenient and practical drum keys, made of , safe and practical, can easily help you adjust your drum set, improve its sound and performance. The excellent production technology makes it easy to use and can be used for musician and amateur and beginners. It is a set of very practical drum kit tool accessories that will bring you a good experience. Features - Color: Silver. - Material: Metal. - Size: 4.60 x 3.60 x 1.00 cm / 1.81 x 1.41 x 0.39 inch. - This set of drum wrenches with standard size, suitable for most of drum sets. - This drum keys set contains 4 wrenches, which can meet your different needs. - Made of high- metal, these drum keys are durable and practical to use. - It can be used to improve the sound and performance of the drum set. - It must be a for your friends and families who are fond of drum kit. Package list: 3 shape drum keys 1 shape drum key