Replacement O-Rings for OZ Machine Company Pens

One set of 3 replacement O-rings for the OZ Machine Company "Little John" and/or "Long John" Pen.

All OZ Machine Company replacement parts are non-refundable.  Our parts are specific to our original OZ Machine Company products and may not work on products that have been modified or that are wearing aftermarket parts.  Install at your own risk - OZ Machine Company is not responsible for damages due to installation mishaps.