The Shepherd 2 in. Twin Wheel Friction-Grip Stem Caster is great for use on ready-to-assemble (RTA) furniture, office chairs, entertainment stands and store displays. It features a 75 lb. load rating and a twin-wheel design to minimize carpet fiber twisting. It attaches to furniture with a 7/16 in. x 1-7/16 in. friction-ring stem. Color: black.