Jetech - Precision Screwdriver Set Slotted and Philips Medium - PEM
- Using nickle chrome vanadium steel.
- Screwdriver head after precision machining, make it more joint screw pitch, to maximize the torque.
- The overall quenching , achieve high hardness, high torque, more durable
- Batch head is made of super precision machining , with a small screw can also be veri tight easy handling small screws.
- Standard: GB/T 10635-2013.