Colson 16Sz10628s 10″ X 3-1/2″ Non-Marking Rubber Monoprene Swivel Caster, No
10 in, Wheel Width 3 1/2 in, Wheel/Tread Material Polyurethane, Wheel Core Material Steel, Non-Marking Yes, Number of Wheels 1, Caster Brake Type No Brake, Tread Shape Standard. & Recepticles. Electrical Outlets.