1Material: Made of high quality aluminum alloy material, strong and durable, anodized black and rose pink, beautiful and elegant gears. 21/4 Screw: 1/4 screw interface design at the top and bottom, quick release design, easy to use. 3Multipurpose: Widely used in tripods, articulating arms, video monitors, camera LED lights, etc. 4Firm: Specially designed notches on the bolt and horizontal notches at the bottom of the bolt. Make sure there is a tight lock between the bolt and the base. 5Easy to Carry: Allows you to quickly adjust and modify camera accessories, with a rubber pad on the top to effectively protect your product.