This is a high quality Telescopic Wheel Nut Wrench.
Made from Chrome-Vanadium Steel.
It is extendable to 530mm for extra leverage when loosening wheel nuts.
It comes with 2 double sided sockets, a 17/19mm and a 21/22mm, making it useful for many applications.
Please note when tightening wheel nuts it should be used in the closed position to avoid overtightening.