Tefillin otherwise called Phylactery. here you will find Tefillin certifies Kosher and verifies by a scribe secondary scribe that he wrote them but also certifies by a verification to the computer. You can choose Tefillin of Sephardic Rite or Tefillin of Ashkenazi Rite. and Tefillin for right-handed or tefillin for left-handed. Yes, this right-handed or left-handed detail has its importance during the Mitsva of Tefilin.