DeWALT 3/8-inch steel magnetic nut setter is designed for fast, secure installation of hex-head screws, nuts, and fasteners. Featuring a powerful built-in magnet for superior fastener retention and a durable hardened steel construction for extended service life, this nut setter is ideal for roofing, sheet metal work, framing, HVAC, and general construction applications. Compatible with impact drivers and drill/drivers using a 1/4-inch hex shank.