Material: durable steel body; PVC plastic handle, sliding design; ABS plastic rollers; 360 degree rotation, strong friction force. Size: Small wheels don't worry if you can support the weight of the washer and dryer Its compact design and heavy materials make these rollers especially strong, can achieve amazing results.Load 210 lbs each wheel, four wheels equipped with 870 pounds of load bearing, so you can rest assured it is very suitable for the job Design features: do not lift heavy furniture alone, he sought help or hurt his own problems.Use this furniture lifting device and roller, you can easily slide the furniture and equipment heavy from one place to another, in order to rearrange the furniture, in order to better clean, they are unloaded or removed. No matter what floor you are on, you can easily move heavy furniture moved into place perfectly, which makes you feel pleasantly surprised. With one hand to lift heavy furniture. It can be easily assembled without no tools. easy lifting, positioning, slide adjustment and furniture adjustment and leveling devices. Applications: Suitable for a variety of heavy furniture round furniture and household appliances can be used for sofas, cabinets, refrigerator, washing machine, bookcase, piano desk, and even office furniture heavy wheel which them makes it easy to glide over hardwood floors