Professional quality set of extra long professional Ball Ended Hex key sockets made of Chrome Vanadium Steel with knurled ring to assist gripping. Extra long for those hard to reach Allen bolts in cylinder heads, suspension, brakes and 100's of other applications. Ball ended to fit hard to reach angles. A set that comprises of some of those extra large Allen hex keys that are so difficult to find. Made by professionals for professionals. Specifications • Extra long 160mm hex keys • Ball ended • Sizes: V3, V4, V5, V6, V7, V8, V9 and V10 • Chrome vanadium • 3/8" drive • Professionals quality • Bespoke moulded compartment