Groovetech® Drum multi-tool. Everything you need to keep your drum kit in top condition. In addition to its popular T-Handle drum key, there’s a 5mm slotted screwdriver and #1 and #2 Phillips screwdrivers. There’s also a stainless steel ruler and 9 metric and imperial hex wrench sizes for pedals and other hardware. One piece body. All tools are forged from S2 steel with a polished chrome finish.