Keyboard Clamp Rail Computer Arm Rest Under Desk Steel Construction Easy Install for Office Workstations.Easy to assemble the clamp and rails, and then clamp it on the desktop, no need to punch, no damage to the desktop, easy installationThe keyboard Tray Clamp Track is stable, strong load bearing capacity. It stretches smoothly without noise and is not easy to fall offKeyboard tray clamp rails accessories are made of sturdy steel, strong bearing capacity and more stableThe elongated guide length in 23.5cm / 9.25inch, wide 2.7cm / 1.06inch, smooth solid steel balls make the guide more silent, the guide can be removed and separated, simple and convenientThis mount clamp fits a variety of wooden keyboard tray for your work space, extends your desktop spaceKeyboard Clamp Rail Computer Arm Rest Under Desk. Swivel Keyboard Tray Under Desk Slide Out C Clamp. Keyboard Clamp Rail Under Desk Set Hardware. Keyboard organizer Clamp Slide Out rail bracket. Computer Keyboard Tray Holder Extension Support. [Design] The elongated guide length in 23.5cm / 9.25inch, wide 2.7cm / 1.06inch, smooth solid steel balls make the guide more silent, the guide can be removed and separated, simple and convenient [Easy to Install]Easy to assemble the clamp and rails, and then clamp it on the desktop, no need to punch, no damage to the desktop, easy installation [Strong Loading Capacity]: The keyboard Tray Clamp Track is stable, strong load bearing capacity. It stretches smoothly without noise and is not easy to fall off [Save Space for Desktop]: This mount clamp fits a variety of wooden keyboard tray for your work space, extends your desktop space [Sturdy Material]Keyboard tray clamp rails accessories are made of sturdy steel, strong bearing capacity and more stable