PARTYSAVING Pro Series Portable 2 Tier Doubled Keyboard Stand with Locking Straps APL1158, Two-Tier Two-tier keyboard stand with adjustable arms fits up to two full size keyboards. Non-slip rubber end caps ensure the unit does not move, and that your keyboards do not fall off. Made of durable iron with a maximum weight capacity of 135 lbs. Can be switched from a two-tier stand, to a single tier stand quickly and easily. Height Adjustable from 29  40.75 without second tier attached, and 36"  48.5" with second tier.