MAX PowerLite Gauge Pneumatic Siding Nailer Walk Behind Mower Spray On Fire Rating (UL Item Weight:14.1 Spray On Fire Rating (UL 790) Class A Returnable 180 Day Number per Package 1 Features Algae Resistant EXELAIR 3 in 1 Professional Inflator Kit: inflator gun internal parts last longer and the inside of the tool is kept clean Dial adjustable depth control allows depth adjustment with no special tool Lightweight only 4 Comes with two easy to replace noses for shooting a wide range of nails Anti double fire mechanism allows tool to be used in contact fire or single fire modes without making adjustments to the tool MAX patented maintenance free end cap filter prevents foreign substances from entering the tool