PB 215 Classic screwdriver set with interchangeable blades in a compact imitation leather roll-up case BIG DAISHOWA Imported M42 high-speed steel with

Imported M42 high-speed steel with diamond HRC66-67

Suitable for high speed machining of aerospace aluminium alloy

the AA grade of the enterprise standard hob is close to the A grade of GB/T6084: the A grade is basically equivalent to the B grade of GB/T6084:

5Kw Nm max： 7Nm The output end of the through hole diameter rotates in the opposite direction to the spindle drive handle

PB 215 Classic screwdriver set with interchangeable blades in a compact imitation leather roll-up case BIG DAISHOWA Imported M42 high-speed steel withClassic screwdriver set with interchangeable blades in a compact imitation leather roll up case for slotted and Phillips screws basic tool kit for assembly and servicing work, in workshops, at home or on the road for PB 215 interchangeable blades, with Click fastening precise, true to size tips, optimal fit in the screw heads slim handle, compact and for universal applications high quality materials used, impact resistant and oil gasoline resistant 10