Punch-free design, just clamp it on the tabletop and tighten, no damage to the desk. 90-degree foldable storage, does not take up much space, low noise, strong load-bearing capacity, and does not come off. One button to fold, convenient to hold, easy to place, does not crack. Adjustable screw design, the clamp can be mounted on tables of different thicknesses. Simple in structure, easy to use, not easy to deform, you can use it with confidence. Designed to clamp the keyboard tray, the desktop extender support can be folded after use. Made of premium material for a long time and use. It has a simple design, but very practical in use, which will bring you a good user experience. Can also be a good gift choice for your friends, they will like it. Thickness Range: 0.5-6.5 cm Color: Black Material: Metal Package Contents: 2 * Computer Desk Extenders Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.