Features: It can be adjusted the height and swivelled to any angle. Universal type, easily mount to any rim on for most drum and instruments. Made of , firm and sturdy. The diameter is about 22mm. It can hold handheld microphone of 18-28 diameter. Shockproof: hold the microphone perfectly. Specifications: Material: Color: Black Height(about): 13cm Caliber(about): 22 mm Package Included: 2 x Microphone Holder Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.