iFixit 4mm Screw Driver with Bit Storage

4mm Handle Screwdriver designed to hold any size 4mm bit securely. It is a compact designs, and the knurled grips provide exceptional control. iFixit bit sizes have a surprising amount of difference in tolerance. So being able to lock them in place easily will allow it to travel more safely. With the larger size comes storage! Check my profile if you are interested in different sizes or functions for iFixit screw drivers. Here is an example of the locking mechanism on another 4mm model.

Please enjoy, and leave a comment if you have any suggestions.