Super hard screwdriver head mady by HSS high alloy steel material, wear/distortion resistance.
Purifier handle made by aluminum alloy CNC , inside can place components and screws.
Using on M3 screws and M4 socket screws on the heli.

 

Specification:
         3.0mm x1
         Phillips screw driver(outer diameter ƒ³4) x1
Weight:
         Handle:27.9g
         Phillips head :15g
         3mm hexagon head :12.3g