The material of screw driver body is magnetic & high torison，the handle
is envrionmental plastic which is square shape and smooth.The surface
of driver body is made from insulative material so that it will be more
safety while operating.There are two crystal holes on the handle.Through
the holes we can distinguish the live wrie and AC-N.

Features:
Taken the blade using chrome vanadium steel， the overall quenching，handle and blade is stable
New ABS + TPR twice injection handle， grip feels comfortable
Strong handle with big torison.
Handle with insulation cover protect from ahort circuit.
Distingnish live wire form AC-N.
Using deep hole，insulation cover can be extension.
This product can not be knocked with hammer.

Specification:
Size: 4*75mm （dia*L）
Material: ABS + TPR

Package include
1 x Electrical Tester Pen