Main Features: Excellent rigidness, press resistance and anti-corrosion Effectively reduce the washing machine vibration and noise Embedded spirit levels device for easy horizontally levelling Maintaining ventilation of the bottom, Anti-rust Stainless steel tube and PP plastic panel, strong anti-corrosive with the maximum load of 150kg (330lbs). Telescopic base that can be adjusted horizontally according to the width of the appliance. 4 x 2 Rubber locking swivel wheels, reduce vibration and noise, stay firm and easy to move. Safety design with button-type lock. 4 pieces of anti-skid pads, anti-vibration mute. Easy to assemble, connect the tube, close the buckle, adjust the width and put your furniture on it. Suitable for washing machine, refrigerator, portable washer, dryer, mini fridge, cabinet, air conditioner, or other furnitures. Specification: Material: 201 Stainless Steel + PP Plastic Maximum Length/Width: 41cm-64cm Wheel Height: 10cm Maximum Loading Capacity: 330lbs/150kg Wheel: 4 x 2 Locking Swivel Wheels