Description: Punch-free Installation :This keyboard bracket features a punch-free installation design, eliminating the need for tools and ensuring a hassle-free setup process. Drawer Rack Design :The drawer rack design provides convenient storage for your keyboard and mouse, keeping them within reach during use. Under-table Clip :The under-table clip securely holds the bracket in place, preventing any unwanted movement or slipping. Desktop Slide Rail :The desktop slide rail allows for easy adjustment of the bracket's position, offering flexibility in workspace arrangement. We have 3 Type for sale Type 1. Standard version: Fixed height and angle, suitable for tabletops with a thickness of up to 5CM Type 2. Height adjustable version: The height can be adjusted, with three adjustable levels suitable for tabletops with a thickness of up to 8CM Type 3. Angle rotatable version: The angle can be adjusted, suitable for irregular tabletops within a thickness of 5CM Note: 1. Please allow 12cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.