Hexagon Screw Driver 4pcs

Super hard screwdriver head mady by high alloy steel,wear and distortion resisting!
Purifier handle made by aluminum alloy CNC , inside can place components and screws!
Using on heli=b4s M2 socket screw and M3 socket screw!

1.5mm(Black/26.6g)
2.0mm(Blue/28.6g)
2.5mm(Purple/29.5g)
3.0mm(Red/31g)