Senco SN951XP, 3-1/2" Clipped Head Framing Nailer (Xtreme Pro) 5B0001N 20% more power than standard framing nailers Patented TrueDrive magazines reduce jams and mis-feeds Simply press and slide to switch from contact to sequential actuation Tool-free depth-of-drive for hassle-free nail setting into varying materials Low-profile design easily fits between studs and joists