<ul><li>Made in the USA</li><li>Made of high alloy steel</li><li>Bits are retained in the bit holder by a set screw that locks securely into a groove on the bit for positive bit retention as well as simple, easy bit replacement</li><li>Broached hex in the bit holder allows higher torque loads</li><li>EYE-D™ markings optimize size visibility</li></ul>