The Bostitch F21PL is built for framing work where you're driving nail after nail all day - stick framing, sheathing, subfloor, deck framing, and other structural carpentry. A rear-load magazine holds 60 plastic strip collated nails at a time, so you're not stopping to reload every few shots, and it's rated for round head framing nails up to 3-1/2 inches long, covering most standard framing applications.Running on shop air between 80 and 120 PSI, it's a straightforward pneumatic tool without cords or batteries to manage on the job site. At 8.1 pounds, it's light enough to swing overhead or work off a ladder for hours without wearing out your arm. It comes as a kit, so you get what you need to get to work out of the box. This is a tool for framers, deck builders, and remodelers who need a dependable nailer that keeps pace with production work. Magazine Capacity: 60 nails Maximum Fastener Size: 3-1/2 inch Loading Type: Rear Collation Type: Plastic Strip Operating Pressure: 80-120 PSI Weight: 8.1 lbs