<https://faberusa.com/product/3160-faber-e-sert/#product>
<http://schema.org/description>
"This easy to install system, with 4mm threaded posts on the upper portion, will allow you to use the Faber® ABR-1 style ABRM model bridge, or the revolutionary ABRL “Tone-Lock” bridge!"
<https://faberusa.com/product/3160-faber-e-sert/>