Ridgid R350RHA 3-1/2-Inch Round Head Framing Nailer This item is GUN, PNEU 3-1/2" RD HD NAILER 21153 This product is used for power-finish-nailers This product manufacture by Taiwan Powerful motor Rear loading magazine with by-pass pusher Magazine adjustment for larger diameter nails Dry-fire lockout feature Aggressive "toe-nailing" claw