Features:1. Made of good quality aluminum alloy, rust-resistant, wear-resistant, solid and durable.2. Mini design, bottom diameter 2.4 cm, with 1/4 inch thread, suitable for most tripods.3. The 17 mm sphere supports 360 rotation in horizontal direction and 90 rotation in vertical direction. You can freely adjust and lock it by screw the knob.4. 1/4 inch screw quick release plate for quick camera mounting.5. The top has a detachable rubber pad that can offer anti-skid and anti-scratch protection to your camera.6. Lightweight and portable. Suitable for many devices: DSLR cameras, mobile phone fill light, flash lamp, etc.Specifications:Material: Aluminum AlloyColor: BlackSphere Diameter: Approx. 17 mm/ 0.67 InchBall Head Height: Approx. 3.8 cm/ 1.50 InchBottom Diameter: Approx. 2.4 cm/ 0.94 InchWeight: Approx. 37 gPacking List:1 * Mini Ball Head.