Keyboard bench w/ "X" folding legs - Height adjustable in 3 positions w/ safety lock-screw: 19.3, 20 & 21 in. / 49, 51 & 53 cm - Seat dimensions: 16.93 in.(43 cm)/L x 12.60 in. (32 cm)/W- Weight: 7 lbs / 3.2 Kg - Max static load capacity: 330.69lb / 150kg