FastenMaster FMLL358B-250 LedgerLOK Ledger Board Fastener, 3-5/8 Inches, 250-Count Manufactured in United States Easy to use Highly durable Nationally code compliant ESR #1078 Head-stamped for easy code inspection Built in washer hex-head design eliminates the need for additional washers Costs significantly less per piece than 1/2 inch galvanized lags and washers Guaranteed corrosion resistance for the life of the project; ACQ approved