Main Features: Stainless steel double tubes for strong stability 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 double tubes and PP plastic panel, strong anti-corrosive with the maximum load of 400kg (880lbs). Telescopic base that can be adjusted horizontally according to the width of the appliance. 4 x 2 Rubber locking swivel wheels and 8 strong adjustable feet, 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, heavy equipment, large plant pots or other furnitures. Specification: Material: 201 Stainless Steel + PP Plastic Maximum Length/Width: 52cm-66cm Wheel Height: 11cm Maximum Loading Capacity: 880lbs/400kg Wheel: 4 x 2 Locking Swivel Wheels 8 Adjustable feet