integration into your existing equipment with this multifunctional clamp Crafted from aluminum, this clamp measure 40cm in length and features a 15mm diameter, ensuring robust for your equipment. for studio or outdoor photography, it serves as essential accessory for securely attaching monitors or other gear to your camera setups. Enhances your photography setups with our 15mm Extension Tube Clamp, suitable for mounting solution with its 1/4inch and 3/8inch threaded holes. Ideal for both amateur and professional photographers, this extension tube clamp is for anyone looking to expand their camera capabilities.