Drum Key are made of high quality chrome-plated steel construction. Industry standard for all drums with 1/4 inch socket square tension rods Includes 6 standard drum keys, and 1 continuous motion speed drum key for all drums with standard 1/4 inch socket square tension rods. drum keys made of high quality chrome-plated steel, and are fit for all drums with standard 1/4 inch socket square tension rods whether electronic drum kit or traditional drum kit. This economical bundle includes 6 standard drum keys and 2 continuous motion speed drum key. money, The camber design of the continuous motion key makes it for quickly and easily removing and replacing drumheads. Color: Silver Quantity: 8 PCS Material: Chrome-Plated Steel Packing size: 12 x 8cm package included: 6 x Standard Drum Key 2 x Continuous Motion Speed Drum Key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.