Wheel casters like the 6inch-Lock-Caster-005 are used to roll your built machine or equipment back and forth. This caster is rolled on a wheel that has 150mm diameter/5.906" inch inches. Dimensions of the caster wheel is 50mm (1.969" inch). The overall height of the caster is 195mm or 7.677" 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. The caster core is made of Rubber and has a Rubber tire with a low friction Roller bearing. Bearing in mind that every caster wheel has the load capacity of 617 lb with a Side Locking type. The temperature range is -40 to 180 F. Enjoy our 6inch-Lock-Caster-005, we wish all the best in your project.