The MADDOX™ Universal Locking Lug Nut Removal Set is ideal for removing rounded, rusted, or painted-over lug nuts. Spiral flute delivers maximum torque, ideal for reaching deep-studded lug nuts. Includes locking pin and four chrome moly sockets in the following sizes: 17mm, 19mm (3/4 in.), 21mm (13/16 in.), 22mm (7/8 in.).