Greenlee 7238SB Slug Buster 1 2'' thru 2" Ratcheting Knockout Punch Kit DVD Recorder Dual stage pumps feature two pump C17833AIRSTREAM 2 Dual stage pumps feature two pump units connected in Series which are driven from the same shaft to create vacuum levels as low as 5 x 10–2 Torr 0 Ah LITHIUM+ High Capacity Battery (not included) LED lights indicate complete clamp cycle Dual LED lights to illuminate work space Less than 5 second crimp time for maximum efficiency Meets ASTM F1807 plumbing standard Go No Go gauge included to ensure proper crimp is achieved Includes 1 2 in 1 inch Hex ratchet wrench allows use with both 3 8 inch (9 Can be used on mild steel up to 10 gauge