MULTIFUNCTION: This 15 degree coil roofing nailer has a high-capacity magazine that can hold up to 120 nails, and it's compatible with nails ranging from 3/4" to 1-3/4". It has a working air pressure range of 70-100PSI. This tool is perfect for any nail work you need to do. DEPTH ADJUESTABLE: This roofing nail gun is perfect for precision placement of nails.It has a tool-free adjustment for depth-of drive, so you can set the nails perfectly every time. Make sure to consider this gun for your next project. Plus, its lightweight aluminum body makes it easy to use, even for long periods of time. APPLICATIONS: This roof nail gun is perfect for a range of applications, including upholstery, woodworking, flooring, roofing, molding, door and window installation, and more. It's easy to use, even for those with limited nailing experience. CUSTOMER SATISFICATION: PowerSmart strives to provide excellent value to consumers through quality products at the best price possible.