Leverless arm with height adjustable indicator gauge. Easy to view tilt dial with soft touch adjustment knob. 10 degree positive/15 degrees negative tilt. Soft to touch Viscoflex memory foam wrist support and pad. Lift n Lock feature with eight inch vertical height range. Low profile design for optimal leg clearance. Color: Black Workstation Type: 90 Corner Curved Diagonal Straight Keyboard Tray Dimensions W x D: 19amp;quot; x 10amp;quot; 360 Swivel: No.