Quick view FastenMaster LedgerLOK Screws The FastenMaster LedgerLOK Screw is the first wood screw that is designed to fasten a deck ledger board to the rim joist of a house with no pre-drilling required. LedgerLOK is a code approved deck ledger board fastener that replaces lag screws and... MSRP: Was: Now: $43.99 - $167.99 Choose Options