This 3” x 1” Hard Rubber Single Wheel Caster with Grip Stem is optimal for light duty operations, and is the best solution as new or replacement parts for chairs, tables, medical carts and other various home and office furniture. This hard sturdy caster administers effortless maneuverability for a smooth and gentle ride, and displays dual ball bearing heat treated avenue construction, with a zinc plated coating that adds sturdiness under any condition.