Specification:Material: rubber+steelWheel size: 105mm*100mmLifter size: 366mm*100mmColor: blackBearing capacity: 880lb(400kg)Note:Please allow 1-3cm measuring deviation due to manual measurement.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Packing list:1* Lifter4* Pulley2* Lifter Anti-Slip Pads Feature:Using The Principle Of LeverageUsing the principle of leverage, you can easily lift heavy objects. Due to four trays with 360 degree rotatable caster, you can easily move heavy objects from one location to another.Strong Bearing CapacityIt can be used to move heavy furniture such as refrigerators, cabinets, electrical appliances, equipment and furniture. The maximum bearing capacity can reach 400kg/880lb, with super bearing capacity, furniture lifter is strong and durable.Comfortable HandleThe ergonomic handle makes the lifting tool pleasant and comfortable to use. The non-slip handle can prevent your hands from hurting.Easy To UseThe furniture lifter set is very easy to use and can be used by anyone. Use the furniture lifter to slightly lift the desired piece of furniture; then roll the mover pad sliders and glide your furniture on the floor with easeSmart Way To MoveForget about trying to move heavy furniture around alone or having to ask for help all the time. With the furniture lifter you can easily glide furniture and heavy appliances from one place to the other. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.