Irwin 1837493 TORX® IMPACT POWER BIT, T15, T20 & T25 X 2" OAL

3 piece power bit set. Built for maximum durability and long life with impact drivers. Manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque output. Black oxide finish resists corrosion and increases life of bit. Shank diameter: 1/4". Sold as bulk pack of 5.