Telescopic helical design. The graphics card bracket features a telescopic screw mechanism, allowing the GX-30 Plus to support a height range of 74–120mm. Height can be freely adjusted to fit various chassis specifications, providing effective rear support for graphics cards.High-end aluminum-magnesium alloy material. The magnesium-aluminum alloy construction delivers strong, lasting support, ensuring durability and stability. The surface undergoes sandblasting and anodization for a premium texture and long-lasting finish.Thoughtful support protection. The top contact point is fitted with a silicone pad to prevent damage to the graphics card. The bottom of the bracket includes a magnet combined with a silicone sheet, enabling it to securely attach to ferromagnetic surfaces such as power supply compartments and chassis base plates for stable support.Safety protection with reliable magnetic adhesion. Non-slip rubber pads are located at both ends, facilitating easy installation and ensuring the bracket remains firmly in place without damaging the graphics card. The magnetic base allows secure attachment to steel surfaces like power supply housings and chassis floors, providing dependable support.Instructions for use: Rotate the telescopic screw counterclockwise to achieve the desired height, then turn the middle locking ring clockwise to secure and lock the position.Name: Graphics Card Protection Bracket Model: GX-30 Plus Surface Treatment: Sandblasted and anodized Size: 74 x 15mm (2.91 x 0.59 inches), extends up to 120mm (4.72 inches) Weight: 35g Color: Black Material: Aluminum Alloy Package Contents: 1 x Graphics Card Holder Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: ±1–3cm.