Pe'er HaSTaM has created a Gassot Tefillin. Gassot meaning thick ones are made from a single piece of thick leather. They have a way with inserts to close flat. To make these Tefillin, industrial presses are used with several tons of pressure. This produces Batim (which are thick and very durable, typically lasting a lifetime. The straps are made from the retsu’ot elion (which is the top part of the skin).
These Tefillin comes with a Certificate about the level of Kosher. Additionally, the Tefillin have been proofread by an expert proofreader and a computer check Certificate.
The Batim are 34-35mm
Choose between Mehudar (translated as enhanced) $635 with free shipping or Mehudar-Plus $795 with free shipping.