About this item The same strength as a key wrench and can be tightened Even though it is a ball point, it can be tightened with the same strong torque as a hex wrench You can insert screws in narrow spaces and hidden places from diagonal to hex holes, and it will not break the threads The included power-up handle (triple handle) can be tightened Type: Long type Contents: 1.5mm/2.0mm/2.5mm/3.0mm/4.0mm/5.0mm/6.0mm/8.0mm/10.0mm/Triple Handle Material: Special alloy chrome vanadium steel (SNCM20V) Surface treatment: special chrome plating Country of Origin: Japan