Material and build - High quality metal construction, corrosion resistant and durable for long term use Purpose and benefits - Facilitates easy and quick changes of drum lugs and other drum hardware - Designed to streamline drum setup and maintenance, saving time and effort Compatibility and use - Drum tuning key bit compatible with most hand drills and screwdrivers - Suitable for professional and personal use, easy to integrate into existing tool kits Drum hardware and setup - With the drill drum key you can assemble and adjust drums more efficiently Gift and occasions - A thoughtful gift for friends or family who play drums or work with percussion instruments Important notes - Please allow for minor measurement differences due to manual measurement and monitor variations Size options - With hole: 5 cm - Without hole: 4.6 cm x 3.6 cm Use scenarios - Setting up a new drum kit for studio recording or live gigs - Performing quick maintenance or lug changes during rehearsal or tour - Gifting to a drummer as a practical, reliable tool for daily setup and upkeep