Simpson BVLZ KT4 Brick Veneer Ledger Connector Kit 4 Pk ZMAX 12 Ga Steel w Template and Fasteners Countersink Bits from the coarse threads and from the coarse threads and Type 17 point to the ribbed wafer head with countersinking nibs Runs cleanly through demanding materials the two flute geometry moves efficiently through solid wood tested solution for safely attaching a wood ledger to structural framing through an existing brick veneer exterior making it possible to add a deck to a home without removing or replacing large sections of brick veneer keeping the project scope manageable and the home protected throughout