Makita XRF01Z 18V LXT Auto Feed Screwdriver Makita-built 4-pole motor delivers superior fastening speed with 4,000 RPM for decking and sub-floor applications Screw guide prevents screw strip tangling and can fold against the autofeed housing for easy storing High collated screw capacity range: 1-3/4" to 2-15/16" Rugged aluminum dust-proof autofeed housing provides smooth sliding action Weighs only 5.2 lbs. with battery (battery not included) for reduced operator fatigue