Optional stacker for K&M keyboard stand, fully adjustable in height, depth and tilt to accomodate various types of instruments. All-metal construction, black powder-coated. Big non-marring pads to protect the keyboard. The new all-metal teeth locking devices ensure tight non-slip settings at any position. Maximum load capacity: 20 kg, Wt: 2.0 kg, H: 290 mm, W: refer to product 438280, D: 340 mm.