<p>Product Features:</p> <ul> <li>ncludes 3pc impact socket adapter/extensions</li> <li>1/4-inch(65mm length), 3/8-inch(65mm length), and 1/2-inch(73mm length) drive sizes</li> <li>1/4-inch hex shank</li> <li>Heat-treated Chrome Vanadium steel</li> <li>Spring loaded detent ball ensures socket is secured</li> <li>Converts power drills into socket drivers</li> <li>Best for increased torque projects</li> <li>Meets or exceeds ANSI/ASME</li> </ul>