The Doumbek Swivel Drum Key features a handle with 1/4" drive socket and 5/32" hex key wrench for tuning Remo Doumbek and Tubanito drums. Add a 7/32 drum key socket to also use to tune Remo's Djembe, Tubano®, Surdo, Repinique,Tan Tan, Mondo™ Snare, Ashiko, Ngoma, Bahia Bass drum and Drumsets. Available size: 1/4" drive socket and 5/32" hex key wrench.