The MILWAUKEE M18 FUEL Duplex Nailer revolutionizes the assembly of concrete formwork by increasing productivity and optimizing ergonomics. By leveraging our nitrogen air spring technology, POWERSTATE Brushless motor, and REDLINK Intelligence, this nailer delivers the performance to seat nails into all wooden formwork materials at firing rates of up to 4 nails per second. The M18 FUEL Duplex Nailer provides our users with a 7X Increase in productivity and a drastic reduction in muscle effort compared to driving nails with a hammer. This nailer is equipped with user-driven features including tool-free jam clearance and depth of drive adjustment to minimize downtime on the job. The cordless nailer is designed for compatibility with Milwaukee Collated Duplex Nails (sold separately) available in two sizes: 8D (2 ¼” drivable length) & 16D (3” drivable length). When paired with the M18 REDLITHIUM 5.0AH Battery pack, this nailer gives users the ability to sink up to 800 nails per charge. The M18 FUEL Duplex Nailer joins the M18 System of over 200 solutions and is compatible with all M18 REDLITHIUM batteries.