Zil Screw Drive

Another screw drive attempt. Looks like Zil improved on this earlier US version.

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0 Responses to Zil Screw Drive

  1. B Woodman says:

    Impressive. I can see some problems, as it is not all-terrain, dirt vs road/asphalt. None the less, impressive.

  2. Old NFO says:

    It did work, but not too well on hard surfaces…