Desk extender board clamp is an adjustable, clampmounted desktop extension and keyboard tray support that installs without drilling, preserving your desktop surface while adding useful workspace. Key benefits Nodrill installation: Installs and removes using a secure clamp, so no holes or permanent changes to the desktop. Adjustable slide rail: Slide rail adapts to a range of desktop sizes and heights for flexible placement and positioning. Additional workspace: Extends and expands the desktop surface to create room for a keyboard, laptop, documents, or peripherals. Underdesk keyboard support: Functions as a keyboard tray clamp that mounts under the desk for ergonomic typing and efficient desk organization. Quick setup and removal: Simple clamp tightening and rail adjustment let you install or reposition the extender in minutes. Stable support: Designed to hold accessories securely while allowing smooth adjustment along the rail. Features and compatibility Function: Desk extension board, keyboard tray, and countertop extension support for temporary or permanent use without drilling. Compatibility: Works with a variety of desktop thicknesses and heights thanks to the adjustable slide rail and clamp design. Construction: Robust clamp and support bracket provide reliable hold and consistent performance for daily use. Performance: Designed for easy slide adjustment and stable underdesk mounting to keep keyboards and accessories accessible and organized. Typical use scenarios Home office keyboard tray: Mount under a desk to create an ergonomic keyboard position that saves desktop space for monitors and paperwork. Small workspace expansion: Add a temporary extension to a compact desk or countertop to accommodate a laptop, tablet, or extra documents during projects. Shared or temporary setups: Use in coworking spaces, craft tables, or retail counters where a nonpermanent extension is needed and drilling is not allowed. What you get A clampmounted desk extender with adjustable slide rail and support bracket for keyboard tray or desktop extension applications. Tool installation process that preserves the integrity of the desk surface and allows flexible repositioning. This desk extender board clamp provides a practical, noninvasive way to increase workspace and support an underdesk keyboard tray without permanent modifications to your furniture.