Telescopic helical design. The graphics card bracket features a telescopic screw mechanism, allowing the GX-30 Plus to provide adjustable support height ranging from 74mm to 120mm. This adjustable height accommodates various chassis specifications, offering effective rear support for the graphics card and helping to prevent sagging.Made from high-quality aluminum alloy, the bracket delivers strong, durable support. The surface is sandblasted and anodized for enhanced texture and long-lasting finish.The top support point includes a silicone pad to protect the graphics card from scratches or damage. The bottom of the bracket incorporates a magnet combined with a silicone sheet, enabling it to securely attach to metal surfaces such as the power supply compartment or chassis base plate for stable support.Non-slip rubber pads on both ends ensure stability and prevent slipping during installation, protecting the graphics card from impact. The magnetic base firmly adheres to ferromagnetic materials, providing reliable support.Instructions for use: Rotate the telescopic screw counterclockwise to achieve the desired height, then tighten the middle locking ring clockwise to secure the position.Name: Graphics Card Protection Bracket Model: GX-30 Plus Surface Treatment: Sandblasted and anodized Size: 74mm x 15mm (expandable to 120mm) / 2.91" x 0.59" (expandable to 4.72") Weight: 35g Color: Black Material: Aluminum Alloy Package Contents: 1 x Graphics Card Support Bracket Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3cm.