<https://andysbillard.ch/Rene-Pierre-Billiard-Gold-Crown-V/#product>
<http://schema.org/description>
"     Features   Model 9' Outer dim. 2,91 x 1,64 Inner dim. 2,54 x 1,27 Three-piece slate Weight: 500kg    "
<https://andysbillard.ch/Swiss-Pool-Billardtisch-Professional-Steel-Design-Basel>