An absolute must-have for drummers. With a unique hammer design the Tama Drum Hammer Tuning Key is a dual tool comprised of a standard drum key and a hex key. Its drum tuning component is compatible with every four-sided universal drum bolt youll come across. Specifically designed for Tamas renowned Iron Cobra series the Hammer Tuning Key also includes a pair of 5mm hex keys for bass drum pedal adjustments. Its design allows for increased leverage enabling effective tuning and adjustments. Be sure to attach it to a key chain or slot it neatly into the rubber pouch on your Iron Cobra pedal. Specifications Product Code: DH7 Dimensions: 5.7 x 1.3 x 7.6cm Includes: 1 x standard drum key 2 x 5mm hex keys