Socket has a 3/4&quot; square drive opening permitting the use of an extension and torque wrench to tighten locknut as required. Locknut removal and installation is simple even when wide-rim wheels are involved since a long extension may be attached to the socket to provide the necessary clearance. Socket is made of high-strength steel; openings resists round-out. void if tool is subjected to impact wrench use. <br />2-7/8&quot; <br />8 point- SKU: WTD752