YO647B Brand: Qmax. Model: Q732004. 6.8mm for diameter. High-end quality， totally unique lightweight tool with very light non-slip hollow duraluminum handle. Unique everlasting diamond pattern grip. Tips designed to precisely fit in the screw head to prevent stripping， Tips are hand made from special renowned top-secret own developed. Long life， excellent torsion and everlasting sharp. Use to trim the plastic ball joints. The perfect tool for getting at those hard to reach places. Ball wrenches make it possible to turn socket head screws or bolts from any angle. One per package.   Package Details Weight: 74.90 g Size: 27*2*2 cm Package Includes 1 × Ball End Wrench