Application: suitable for placing heavy objects such as washing machine refrigerator, sterilizing cabinet and air-conditioner Feature: maintaining ventilation of the bottom of the objects,anti-moisture, anti-rust, and easy to be moved and cleaned Material: PA66 rubber universal wheels, metal zinc-plating tube Function: smooth and firm, adjustable dimension and convenient movement Quality: Ultra-strong rigidness, pressresistance, and anti-corrosion Maximum load: 138kg MaximumStretton: 56cm x 56cm Ultra-strong rigidness, pressresistance,and anti-corrosion Handy pallet is easy to navigate with four 360 degrees rotating wheels No more struggling and backaches! Rearrange bulky furniture with ease or move heavy objects effortlessly with the handy tools The fastest and easiest way to move heavy objects