This is a precision-tooled magnetic bit, and it can be used with Item 74131 Mini 4WD (+) Screw & Nut Driver Set PRO to tighten 2mm cap screws with ease.

• Hex bit size: 1.5x20mm
• For use with 2mm cap screws (1.5mm hex hole).
• Insert it into the screwdriver grip.
• Use nut driver to hold 2mm nuts.
• Shank has laser print which shows bit size.
• Comes with protective tube.