Bondhus 12195 HLX15ML - 15pc Hex Key Set 1.27-10mm

Bondhus tools are all made with ®Protanium© High Torque Steel to provide the extra measure of strength you need to remove stuck or rusted screws.
Protanium is 20% stronger than 8650 or Chrome Vanadium.
The black ®Proguard© finish has a special surface to prevent moisture entering and so preserve your tools for longer in adverse conditions.