Rubber Plate Swivel Industrial caster 1.Material of wheel:rubber 2.Housing made of pressed steel,double ball bearing swivel head,wheel axle with nut,dustguard. 3.Diameter of wheel:70/100/125mm 4.With or without brake according to custom Available sizes: Model numberWheel size (mm) Load capecity (kg) Overall height (mm) Mounting hole size (mm) I11-75-xxx75*22709313.5*8.5I11-100-xxx100*278015213.5*8.5I11-125-xxx125*349019713.5*8.5Please contact us if you have any questions about our sizes. Our factory produce the product according to custom design and OEM is available. Good quanlity and reasonable price. welcome to inquiry !