Telescopic helical design. The graphics card bracket adopts a telescopic screw design. the GX-30 Plus can provide a height support range of 74-120mm. 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. Name: Graphics card protection bracket Model: GX-30 Plus Surface treatment: anodizing + sandblasting process Size: Plus: 74x15mm/2.91x0.59inch, extendable to 120mm/4.72inch Weight : Plus: 35g Colour:black Material:Aluminum alloy Package Contents: 1 x Graphics C Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!