FastenMaster 5 In. Ledgerlok Deck Screws, 250 Pc are specially engineered for securely attaching deck ledger boards to the rim joist of your house. These screws drive effortlessly through pressure-treated ledger boards, sheathing, and band joists without the need for predrilling. Designed to replace traditional 1/2" lag screws and other fasteners, the LedgerLok features a built-in washer for added stability. Made from heat-treated carbon steel with an epoxy-coated gray finish, these 5-inch screws have a hex head and hex drive, ensuring easy installation with a 5/16-inch hex bit. This pack contains 250 screws, providing ample supply for your decking project. Model Number: FMLL005B-250