Includes: (1) 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 8, 10MM

Hex key set is a light weighted tool used for fastening of screws that cannot be fastened by other screwdrivers.

â—† Black phosphate finish

â—† Cr-V steel

â—† ANSI B18.3.2M-1979 ,GGG-K-275D

â—† Anti-corrosion treatment

â—† Most common sizes in one set for best accessibility

â—† Packaging - hangable and visible

â—† Ring set - all 10 siazes fixed together

â—† Spring fixing, easy to remove and to assemble