יום שלישי, כ״א אב תשפ״וTuesday, August 4, 2026
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Moshe Gantz (i.e., the Mezuzah Doctor) and Joseph Miller are the founders of KosherKlaf.com, which offers a trusted way to purchase high-quality STaM (Sefer Torah Tefillin Mezuzot and Megillot) with complete transparency. KosherKlaf carries STAM that reflect all minhagim in six levels of quality, and expert guidance so customers can confidently choose the quality they want. The authors also offer checking services, and educational support for schools, and communities.
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By Moshe Gantz and Joseph Miller
A knowledgeable STaM professional should welcome your questions. They should be happy to explain the ksav, the sofer, the quality of the klaf, the inspection process, and the differences between the various levels of hiddur.
By Moshe Gantz and Joseph Miller
The megillah functions differently. It is read all at once from beginning to end. Since there is no need to leave it open in the middle, one roller suffices according to Shulchan Aruch.
By Moshe Gantz and Joseph Miller
When tefillin are purchased from a reputable source and treated properly, most remain kosher for many years. In the experience of many sofrim, most invalidations come from pairs that were never properly made to begin with.
July 31, 2026 
