Steel standards are constructed of 23-gauge high strength steel. For surface or flush mounted applications. Dimensions: 5/8 In. W x 3/16 In. deep. Vertically adjustable in 1/2 In. increment. Stamped numbers make installation easier. Predrilled screw/nail holes. Prepunched staple holes. For use with 256 series pilasters. Mounting hardware not included. Length: 72 In. Finish/Color: White Material: Steel Width: 5/8 In. Depth: 3/16 In. Gauge: 23 Ga.