Thomann KB-247BM, Double Piano Bench, Double cross precision lifting system, Seats separately adjustable in height: 485 - 560 mm, 2 Seats, each with area 435 x 285 mm, Seat padding: Black velours, Dimensions (D x L) 325 x 960 mm + approx. 40 mm knob on each side, Weight: 14 kg, Frame colour: Black matte