Prime-Line RG 18667 Self Closing Gate Spring, 8 inch, Steel, Black, Adjustable Self closing gate spring is constructed of steel components and comes finished in Black paint. Tension is adjustable. Features Constructed of durable stamped steel Comes in a beautiful, corrosion resistant, antique brass plated finish Designed for use with deadbolt and deadlatch door locks on hinged swinging doors Features industry standard design features and includes all installation fasteners Easy to install with only a few simple tools For further dimensional and specification information, please see the line drawing 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.