Kensington Long Neck Modular Platform with SmartFit System, Wrist Rest (K60719US) Unique modular platforms attach to arm as needed for different size keyboarding surfaces. Use all three platforms for a large mousing area or remove a platform to fit small desks. Adjusts 6" in height, +/- 15 degrees in tilt and rotates 360 degrees. Includes a keyboard wrist rest. 21" track, 15" arm for corner or curved workstations. Easy color-coded window lets you adjust the unit instantly to your unique SmartFit comfort color. Includes a keyboard wrist rest. Use all 3 platforms for a large mousing area or remove 1 platform to fit just your keyboard. Rotates 360 degree to match your SmartFit comfort color.