QL BZ Z Piano benk Z styleRapid set-up Musician's Seat with thick, extra-wide, textured covering seat cushion.Great for guitarists, woodwind and brasswind players, singers or any seated musician applications. Perfect complement for the Z/71 keyboard structure or any “Z”-style stand.New patent-pending design sets up and folds down in 10 seconds. Technical Specifications:Front to back depth: 31.5 cm Side to side width: 41.5 cm Thickness: "6 cm Height positions: 45.5 to 63.5 cm Frame width: 48.5 cm Frame depth: 32.5 cm Weight capacity: 112 kg Weight: 8.5 kg Color: Black