Exponent Underdesk Keyboard Drawer - 21.65" L x 14.14" W x 1.37" H - Black

This underdesk keyboard drawer can accommodate standard keyboards up to 20-3/4" wide. The 4 height adjustments allow you to set it at the most comfortable height. The pre-assembled railings make it easy to mount under a desk. Comes in black. Measurements are 21-21/32"L x 13"W x 1-3/16"H.