Ties trusses and rafters to top plates. Can use to tie wood framing members to resist uplift and lateral forces. Seismic, tested for lateral movement. G90 Gal vanizing finish. Requires 8d HDGnails for installation in plate and rafter/truss and Gold Coat anchor requires N8-GC nails. 1-9/16 in W x 2-5/8 in H opening. Meets ICC-ES ESR-1465, FL817 and Dade County, FL 07-0306.10 codes. For additional information including allowable loads and number of fasteners, please see USP Lumber Contractors charts in the Orgillpaper catalog R7 for reference pages. 18 GAUGE - 5-1/4 in H.