Doing a remodel ,and have to relocate the Elec. Sub Panel. Drilling Many Holes in top double Plate. Old Fir n hard as a whore's Heart ! I'm On a drywall bucked with Me head at the ceiling When the Auger Hits a 16 penny nail. BLAM, Wolf ***** slaps My head into studs , Knocks of Me Hat and breaks My watch Band! I went to the corner, sat on Me Lil stool ,waiting for the bell to ring .Great Drill!