Quantity: one piece Opening: 12 mm Range: 1-45 mm Package weight: 128 g Package size: 100 x 100 x 30 mm Contents: 1 clamp support Color: Black Body material: metal Applications: microphone stand, desk lamp, desk magnifier stand, metal clip, universal stand Feedback : The diameter of the lamp holder is only 12.5mm and it is only suitable for cantilever brackets with a pole diameter of no more than 12mm. Steel construction Solid: This desk clip is designed for strength, scratch resistance and durability. Provides excellent stability to protect your screen. Easy Clip: Easily clips onto any desk up to 5cm thick with a 1.3cm mounting clip contact point . ADJUSTABLE: The desk mount clip is designed to securely attach the microphone to a desk or other flat surface using adjustable set screws. Easy installation : This desk clip attaches to your current stand and secures to your desk for a more sturdy installation. Mounting hardware not included. Compatibility: microphone boom for all businesses, home, stage, studio, broadcast. Good quality product