ITEM NAME:Photo Video Background Studio Reflector Disc Holder Clip Clamp for Light Stand Product Description Description: Features: Holder is easy to assemble. Hole diameter of 16mm/0.6in. Powerful spring and tight screw for security. Perfect for positioning reflector and background. Made from aluminum with satin silver finish. Specification: Material: Plastic and Aluminum Item Size: 7.5 * 5.5 * 3.5cm / 2.9 * 2.1 * 1.3in Item Weight: 38g /1.3oz Package Size: 8 * 6 * 4cm / 3.1 * 2.3 * 1.5in Package Weight: 50g / 1.7oz Included: 1 x Holder.Perfect for positioning reflector and background. Powerful spring and tight screw for security. Holder is easy to assemble. Included: 1 x Holder. If item is defective after 3 months, you can still send it back to us.