1.Donner Drum Key are made of high quality chrome-plated steel construction.
2.Industry standard for all drums with 1/4" socket square tension rods
3.Includes 3 standard drum keys, and 1 continuous motion speed drum key
4.Perfect for all drums with standard 1/4" socket square tension rods.
5.The spinning camber design of the continuous motion key makes it ideal for quickly and easily removing and replacing drumheads.