brand new and high quality Description: Features: 3/8'' screw holes on the bottom, which can be connected with 1/4'' to 3/8 nuts and other compatible devices. Premium aluminum alloy material made, strong and durable for long term use. suitable for certain brand's quick release plates, compatible with 496RC, 498RC2, 804RC2. Easy to attach and remove quickly, can be used with a tripod or monopod. Package Includes: 1x clamp adapter base, 1x quick release plate, 1x 1/4'' to 3/8'' screw adapter. Specification: Material: Metal Aluminum Alloy Size: Approx. 76x70x51 mm/2.99x2.76x2.01 inch Color: Black/Gray Notes: Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1x 323 Quick Release Clamp Adapter Kit