The Tama TDK10BN Drum Key is a black nickel drum key. This new tuning key from Tama offers you quick and accurate alterations to your drum kit. The Tama TDK10BN is a specially designed drum key that provides you with quick accurate tuning. This drum key ergonimcally designed for your fingers. Aknurled knob at the end of this key enables quick spinning of the TDK10BN during your initial tension rod tightening.