Master Mechanic, Pneumatic Mini Palm Nailer, Ergonomically Engineered Body, High Quality Internal Parts, Lightweight For Ease Of Use & Comfort, Easy To Handle & Operate Even In Tight Spaces, For Decking, Joist Hangers, Hard To Reach Places& Fencing, Oil & Wrenches Included, Handles Nails From 6D To 16D .113" -.346" & Up To 3-1/2" Length.