The milwaukee m18 cn18gs fuel 18g straight nailer offers the best in class power to consistently seat nails sub flush to the surface in hardwoods with ready to fire nail technology that eliminates the ramp up time between each nail discharge it offers two firing modes sequential fire for precision or bump fire for speed with tool free quick and easy depth adjustment to assure nails are driven sub flush dry fire lockout stops the tool being fired when there are no nails left in the magazine ther