Specifications: Material: aluminum alloy Packaging: 1PC Size: Length 27/49/74MM Colour: Black Surface treatment: anodizing , sandblasting process Feature: Telescopic helical design. The graphics card bracket adopts a telescopic screw design. The height can be adjusted freely, adapting to various specifications of the chassis. Provide effective support for the rear of the graphics card and escort the graphics card. High-end aluminum-magnesium alloy material. Magnesium-aluminum alloy provides strong and lasting support, sturdy and durable. The surface is sandblasted and anodized for an outstanding texture that lasts forever. Provide thoughtful support protection. The surface of the support point of the top graphics card is attached with a silicone gasket to avoid bumping the graphics card. The bottom of the graphics card bracket is designed with a magnet , silicone sheet, which can be adsorbed on iron materials such as the power supply compartment and the chassis bottom plate, which can be firmly adsorbed and provide support. Safety protection, non-slip and stable magnetic suction. There are non-slip rubber pads at both ends, which is convenient for users to install and stand firmly in the chassis to avoid bumping the graphics card. The bottom is designed with magnetic suction, which can be adsorbed on iron materials such as power supply compartment and chassis bottom plate, and can be firmly adsorbed and provided support. Instructions for use of the rotating screw: After rotating the telescopic screw counterclockwise to the required support height, then rotate the middle fixing ring clockwise to the end, and lock it. Specially designed to support and protect your graphics card, avoid motherboard bending or damage caused by too heavy graphics card, and provide additional stability. It is suitable for graphics cards of different brands and models, as long as it meets the standard size of the PCI-E, without worrying about compatibility issues. It is easy to operate and does not need professional tools. Users can adjust and install it according to their needs, saving time and energy. The product is compact in design and does not occupy too much space. At the same time, other hardware devices can be upgraded and added later. Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.