Keyboard Stand Specification :Style : ZMaterial : Iron and PlasticStand Net Weight : 15.25 LbsHeight Adjustability : YesMaximum Height : 38.5 inchMinimum Height : 22.5 inchWidth Adjustment : YesMaximum Width : 36.5 InchesMinimum Width : 21.5 InchesHeadphone Holder : YesAnchoring Straps : YesCapacity Is : 330 lbsCompatibility : 54-88 Key instrumentProduct Dimension : 23.5×19×3.6 inchesKeyboard Bench Specification :Seat Thickness : 3 inchLoad Bearing unit : 340 lbs and 155 Kg The square tube size ：40*20mmThe round diameter ：25mmHeight Adjustable : YesMinimum Height : 14.5 InchesMaximum height : 20.5"" inchesMaterial : Iron, plastic, leather, sponge, wood boardPackage Include:1x Keyboard Stand1x Keyboard Bench