Irwin Tools IWAF344516 Impact Performance Series Nut Setter, 5/16" x 4"
IRWIN Tools IMPACT Performance Series Nutsetter, 5/16-inch, 4-Inch Length (1837558), Impact Nutsetters - Lobular, Built for maximum durability and long life with impact drivers, Manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque output.