The MAXIMUM 6” Impact Screwdriver Bit, Square #1, features a forged steel tip that provides a secure grip and a black oxide coating to resist corrosion. This MAXIMUM screwdriver bit can make for an optimal choice when you need to drive fasteners quickly. The simple but convenient bit is intended for exclusive use with square head screws, but other sizes and head types are also available. This durable square bit can offer an easy solution if you need to install or remove square head screws, and is fully impact-rated for drilling at high speeds. The impact bit boasts a precision tip that offers an ideal fit with standard screw heads, and its S2 steel construction helps ensure that it can easily withstand the stress that results from high torque. It also features an innovative torsion zone design that allows it to absorb the stress from use with high-torque drivers.