Utilizing VXB005100ACPUB1 makes it feasible to pull and push items instead of transport And rolling on wheel that has 100mm diameter/3.937" inch. Dimensions of the caster wheel is 50mm (1.969" inch). The caster dimensions heightwise is 142mm/5.591" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. This caster wheel core material is Iron core and Polyurethane and has a Iron core and Polyurethane tire spinning over Double ball beaing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 617 lb with a Swivel and Center Brake type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005100ACPUB1 in order to get one :).