Medium Duty Swivel caster with tatal brake 1.Housing:made of pressed steel,zinc plated,double ball bearing swivel head,wheel axle with nut. 2.Meterial of wheel:PVC PP PU&TPR avaliable 3.Color:red black yellow&blue Available Sizes: Model numberWheel diameter (mm) Wheel width (mm) Load capacity (kg) Overall height (mm) Setting pitch (mm*mm) M14-63-xxx63328010878*45M14-75-xxx75329011978*45M14-100-xxx1003211013378*45M14-125-xxx1253212015778*45Plate thickness:3.5mm Bracket thickness:2.5mm * Please contact us if you have any questions about our available sizes.