Allen Wrench :

1. size from 1.5-10mm2. material : Taiwan S23. with ball at end4. HRC : 58-61 degree

5. 9pcs/sets

Unique Advantage : The metal part 's heat treatment is through Germany important vacuum stove , each lot take 6 hours , So it guranteed the bit heattreatment quality , the hardness can reach 58-60degree , it reached Germany Vera standard quality after testing . The bits can be used 1000 times more than other factories .  Material is used Taiwan imported S2

For size 5MM, Germany standard 's torch is 30N*M, Our goods can reach 51N*M

Allen wrench