This durable caster provides easy maneuverability for a smooth and quiet ride, and features dual ball bearing heat treated raceway construction, with a zinc plated finish that provides durability under any condition. Mounting options include top plate, grip neck, grip ring and standard and metric threaded stem sizes. The Service Caster 05 series is ideal for light duty applications, and is the perfect solution as new or replacement parts for chairs, tables, medical carts and other home and office furniture..