Phillips Insert Bits features a standard design for general purpose use at home, shop, or garage. Extreme Torsion Technology is engineered in the Phillips to insert bits to allow the torsion section of the bit to flex under load and taking pressure off of the bit tip to increase the durability in high torque applications. These insert bits are designed exclusively for high-torque impact drivers. It can be used for driving screws and fasteners with hand tools, and corded or cordless power tools. The bit features a standard design for general purpose use at home, shop, or garage.