Crafted from aluminum, this clamp measure 27cm in length and features a 15mm diameter, ensuring robust for your equipment Enhances your photography setups with our 15mm Extension Tube Clamp, suitable for mounting solution with its 1/4inch and 3/8inch threaded holes for studio or outdoor photography, it serves as essential accessory for securely attaching monitors or other gear to your camera setups Ideal for both amateur and professional photographers, this extension tube clamp is for anyone looking to expand their camera capabilities integration into your existing equipment with this multifunctional clamp