Tunable with any standard drum key for flexibility you crave. The Mano MP714 Bongos feature 7” & 8” shells, and are tunable with any standard drum key. Natural skin heads are mounted with standard chrome flanged hoops and hardware, and are available in natural finish only. Tunable with any standard drum key Natural skin heads with natural finish Standard chrome flanged hoops and hardware Standard chrome flanged hoops and hardware with Natural skin heads and finish.