Along with the screw
Driver handle itself, these drivers also tend to go AWOL, especially if your purchased a used machine, where the previous owner thought these items would be better left in there garage rather than the tool bag!
This is the coarse size, you may also wish to replace the fine size, flat head and handle as well:
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If yours is missing, or just corroded, then bring your kit back to perfection, for such a low price! If you are renewing your entire tool kit, we have all the parts you will need, and at a veryfavourable price!