WEN 61782 3/4-Inch to 1-3/4-Inch Pneumatic Coil Roofing Nailer with Carrying Case Fire 11-gauge nails (.12 inches) anywhere from 3/4 to 1-3/4 of an inch Adjustable shingle guide and depth control makes for easy shingle spacing during jobs Holds up to 120 nails at a time with a quick release for easily fixing jams Uses pneumatic operating pressure anywhere from 70 to 120 PSI NOTE: unit may arrive in one of two color schemes; yellow and blue or orange and black