[360Rotation Moving Roller Design]: This 360universal appliance rollers is an perfect helper for moving furniture and . The design of the 360universal moving roller improves the mobility and flexibility of the base, It can not only move forward and backward, but also can move and change in all directions Heading, it can easily move heavy objects of different sizes. [Adjustable Size & Wide Application]: The furniture is designed with a telescopic base, no need to consider the size problem, You can freely adjust the length to fit different sizes, and the length can be freely adjusted from 22.8 inches to 33 inches. Height is 1.5 inches, Suitable for washing machines, refrigerators, dryers, cabinets, sofas and other heavy appliances and furniture. [360Universal Move & Strong Capacity]: Each appliance rollers equiped with 12 mobile rollers and 4 universal wheels, Made of high-quality metal panels material, which can firmly support the weight of 660 pounds. The 360-degree movable base can easily lift your appliances or furniture off the ground, prevent the bottom from damp and moldy, keep the bottom dry and ventilated, and facilitate household cleaning. [Excellent Quality & Stability]: Widened design at both ends of the moving roller, which meets your daily use and provides firm support. Both ends of each mobile base are equipped with black anti-slip pads and column-type brakes to increase friction, stabilize and prevent slipping, reduce machine vibration and 't damage the floor. Improve the stability and safety of and furniture equipment. [EASY TO USE]: No need for complicated installation steps or tools, just place the 2 scalable appliance base under the refrigerator, washing machine, dryer or other household appliances and furniture, lift the brake valve to release the wheels, you can ily move heavy objects, fixed when not moving , press the brake valve to lock the wheels and keep it stable. Retractable:50-84cm Column base:universal wheel type Load bearing:500KG Type:Upgraded widened feet to prevent slipping Function:anti-slip, adjustable, removable, installation-free Colour:Dark Green Material:Metal Size:84x11x4cm Package Contents: 2 x Washing Machine Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.