You are Buying a brand New And Factory Sealed FastenMaster 1/4 in. 5 in. LedgerLok Coarse Steel External Hex Drive, Flat Head Ledger Board Wood Screw Fasteners (50-Pack). Product Overview Save time, money and labor costs, LedgerLok is the first fastener engineered to attach deck ledger boards to the rim board of the house with no pre-drilling. No need to predrill and hand-ratchet in 1/2 in. galvanized lags and washers. LedgerLok also has stronger design shear values than 1/2 in. galvanized lag screws. Plus, with LedgerLoks smaller shank diameter even a cordless drill (14.4 volts or higher) zips them right in saving on battery life and additional tooling costs. Nationally code compliant. ESR #1078 Head stamped for easy code inspection Built in washer hex-head design eliminates the need for additional washer, saves you time and money Costs significantly less per piece than 1/2 in. galvanized lags and washers, save even more money Guaranteed corrosion resistance for the life of the project, ACQ approved Free 5/16 in. hex driver bit in every package Common project applications: remodeling, fencing, storage, cabinets, framing. ACQ approved and code-compliant design Included hex driver Head-stamped design makes identification easy during inspection.