ERGONOMIC ULTRA SLIM PLATFORM: Complete your workstation set up with this 24.2 x 11.8 platform.Featuring adjustable height, allowing you to raise your keyboard, mouse, and other work peripherals to a comfortable and ergonomically correct typing position. 6 SIMPLE HEIGHT LOCK SETTINGS: The innovative and intuitive scissor lift design on this keyboard platform allows you to simply adjust the height 1.7", 8.5, 10.4, 12, 14.4, 15.6. Supporting up to 11 lbs of weight.