Use a center punch to mark the cup plugs for drilling.
Drill a 1/8-inch hole in the cup plug.
Use a dent puller to remove the plug.
Discard all used cup plugs. Do not use them again.
Use a center punch to mark the cup plugs for drilling.
Drill a 1/8-inch hole in the cup plug.
Use a dent puller to remove the plug.
Discard all used cup plugs. Do not use them again.