The BlueSpot 10 PCE Metric T Handle Ball End Hex Key Set (2-10mm) is manufactured from chrome vanadium steel feature a heavy duty ergonomic soft grip handle. The set comes complete with a rack which has two mounting holes so that it can be easily fixed to a bench or wall. The rack also helps keep the ball end hex keys in size order as each key fits neatly into its own space on the rack. The keys are double sided with one long part and one short.