National Hardware N192-217 856 Gate Caster In Zinc Designed to assist with the opening and closing of gates. Spring-loaded to absorb shock over uneven surfaces. Can be used on large gates, barn doors, corrals, driveway gates and more. Hard rubber wheels are durable and can be used on dirt, gravel, pavement, or asphalt surfaces. Features Designed to assist with the opening and closing of gates Spring-loaded to absorb shock over uneven surfaces Can be used on large gates, barn doors, corrals, driveway gates and more Hard rubber wheels are durable and can be used on dirt, gravel, pavement, or asphalt surfaces USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.