Description: Made of high aluminum alloy material: Provides strong and long-lasting support. Screw adjustment design: compatible with various chassis configurations of traditional, MATX, ITX and long power supply bays to meet various user hosts. The bottom is designed with a magnet + silica gel sheet, which can be adsorbed on iron materials such as the power supply compartment and the chassis bottom for stable adsorption and support. After rotating the telescopic screw counterclockwise to the required support height, then rotate the middle fixing Rings clockwise to the end to lock it and fix it. The support module is equipped with a cushioning anti-scratch pad. Specification: Material: Aluminum Alloy Weight: 24g Size Chart: 15x15x26mm/0.59x0.59x1.02inch Package Includes: 1 Piece Graphics Card GPU Brace(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!