Make your life easier, have big objects easier to Maneuver using the VXB005100BCF Wheel Caster. And rolling on wheel that has 100mm diameter/3.937" inch. The thickness of the wheel is 50mm or 1.969" inch. The Caster with the wheel from end to end is 142mm = 5.591" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. This caster wheel core material is Black Cast iron and has a Black Cast iron tire spinning over Roller bearing. Each caster will carry the load of 441 lb and is Fixed type. The caster temperature range = -40 to 180 F. Buy our VXB005100BCF, we wish all the best.