For WALLOWED or STRIPPED OUT LATCHES on HOLLOW METAL DOORS. Simply Place CLIPZ in position on LATCH then Install Lock. Clipz gives the screw Something to hold on to. They work PERFECT !! Use PLUGZ to FILL holes that have been WALLOWED out or NOT Accurately Drilled in WOOD DOORS and FRAMES. The HINGE & STRIKE REPAIR SCREWS have #14 BODY and #12 HEAD. They work PERFECT for HINGES with HOLES that are a little TOO BIG for the #12 screw but still need a #12 HEAD. The #14 BODY grips the wood and the #12 HEAD seats nicely in the hinge. The COMBINATION WOOD/METAL SCREW are perfect replacements for those missing latch screws and for those with stripped heads. YOU GET 12 of EVERYTHING !!! This is a 108 PIECE HINGE , LATCH & STRIKE REPAIR KIT !! Door Pros Gotta HAVE IT !! Check out the Picture to See what U get.