Double shear nailing for fewer nails and faster installation. Dimples allow for 45° nailing through joist into header, resulting in higher loads and less nailing, and eliminate need for shorter joist nails in 2x applications. Meets ICC-ES ESR-1881,FL821, L.A. City RR25779, Dade county, FL 11-0510.01 and 07-0419.01 codes. For additional information including allowable loads and fasteners. Please See USP Lumber Connectors charts in the Orgill paper catalog R7 Reference Pages.