Master mechanic, 18 & 16 gauge, 3-in-1 nailer & stapler, drives 16 gauge finish nails, 18 gauge brad nails & 18 gauge narrow crown staples, operating pressure of 60 - 115 psi & a magazine capacity of 100 pieces, aluminum magazine & cylinder, 360 degree adjustable exhaust, no-mar tip, tool free depth adjustment, ideal for shoe & crown moldings, base boards, furniture trim, window casings & chair rail.