Do you need to move or transport equipment from one place to another By installing these new small casters on the equipment,there is no need to bear pressure and save energy. It is very easy to move the furniture or equipment to the desired location.Reminder:Please note that the load-bearing capacity of the 4 castors can only be calculated as the total load of the 3 castors,because when the road is uneven,the forces on the 4 wheels will be uneven.Commodity parameters:Product name:Swivel Castors WheelsNumber of packages:4Material:TPE rubberColor:orangeWheel diameter:1.5" 40mm/2" 50mmWheel width:17mmBolt:M1225mmInstallation height:62mm/74mmLoad capacity:50kg/60kg (single swivel caster)Error problem:It belongs to the error value within the international standard and does not affect the use. Please understand.Suitable for heavy duty casters of various types of trolley,to transport light furniture and display racks lightly and safely.☛ Tips:✔ Before purchasing, please pay attention to measure your installation size and caster size, to avoid inconvenience caused by inappropriate size.✔ Welcome to our store! Our aim is to provide our customers with the best products and services. ✔ If you have any questions, please feel free to contact us. We will immediately resolve any product issues and will be happy to assist you.