Product_description: ['Predeflected during the manufacturing process, virtually eliminating deflection under load due to material stretch. Uses Strong-Drive SDS Heavy-Duty Connector screws which install easily, reduce fastener slip, and provide a greater net section area of the post compared to bolts. Strong-Drive SDS Heavy-Duty Connector screws are supplied with the holdowns to ensure proper fasteners are used. Size: 3 In. W x 22-1/4 In. H x 3-1/2 In. B Gauge: 10 ga Finish: Galvanized Material: Steel Install With: 30-SDS Screws 1/4 In. x 2-1/2 In. Warning: Cancer. Www.P65Warnings.ca.gov