Made of premium aluminium alloy with precision machining and anodized surface, sturdy, lightweight, durable, anti-rust, with great load capacity up to 10kg. The both ends of plate have precise scales, helping you easily adjust the angle you need to make the slider move as you want, easy to use. The wheels are made of silicone, lightweight and durable, very silent, no noise at all, anti-skid and won't cause any scratch on desk surface. With 1/4'' screw on the plate, universal for various cameras and accessories, you can mount ball head or phone clip on it to shoot with action camera or smart phone. Portable and versatile, compatible with DLSR cameras, action cameras, and cellphone. This car is a good helper for photography lovers to achieve various interesting and professional shootings.