This ladder is with wheels,Website:http://www.ladderkingdom.com,which is pulled whenever and wherever.When used,only put down the wheels and push the switch,it is ok.Easy to operate and be convenient.With Wheels in the bottom of feetAnti-pinch Finger ProtectorsMax working load 150kgExtends to 3.80mLarge anti-slip rungs for comfort and safetyManufactured to EN131 StandardModel Number: AL-019-3.8JCertification: EN131Material: AluminiumWeight limit: 150 kg (23.5 stone/330 lbs)Opened Size: 3.8 m(12.47Ft)Closed size: 112 cm(44.09")Steps: 12Rung distance: 29.5 cm(11.61")Cushion thickness: 2.00cmNet Weight: 11.4 kg ( 25.13 lbs )Gross Weight: 13 kg ( 28.66 lbs )Package Style: Double corregated brown boxPlastic bagPackage Size: 116.5x10.5x50.5cm/1pcContainer Volume (20'/40'/40'HQ): 470/940/1130 pcs