K&M 18952 optional stacker for 18950 and 18953 keyboard stand - fully adjustable in height, tilt and depth to accomodate various types of instruments. All-metal construction. Large non-marking pads to protect the keyboard. Dimensions: 265-390 x 340 (HxD). Refer to 18950 model specifications for width. Weight: 2kg. Colour: Black. Pair!