748264 Features: -Screen door brace. -Zinc plated finish. -For taking up the sag in a screen or storm door. -Heavy duty model. -Steel rods are zinc plated. -Serrated ends make a firm contact. -Equipped with an aluminum turnbuckle. -Package type: Carded. Specifications: -1-11/16" Adjustment. -7/32" Diameter. -Dimensions: 0.42" H x 2.1" W x 24" D.