Draper expert 8 piece metric ball end key set in pocket storage holder draper expert 33837 b i expert quality i b manufactured from chrome vanadium steel hardened and tempered the ball end tip allows the hexagon key to be used up to 30 176 angle from the screwhead recess held in pocket size plastic storage holder with non slip grip display packed draper expert 33837 8 piece metric ball end key set in pocket storage holder