The manufacturer’s manhole covers are made of metal or concrete surrounded by a metal frame .
The shapes of the covers are round or rectangular (for drainage covers) .
There is a gold-colored cover associated with this manufacturer (although it is unclear whether the gold label was indeed made by this manufacturer).

Standards
The European standard EN124 and its associated load classes appear on some covers, with common load classes being C250 and D400 .
Some covers bear the Israeli Standards Institute certification mark (appearing as SII) , as well as IS 489, a specific Israeli standard for covers located in areas used by vehicles or pedestrians .

Typical Covers
The “classic” background features concentric circles centered around the middle of the cover — a format that was common in the early 20th century in covers in the Land of Israel .
Similarly, there is a cover design made of concentric squares .
Additional cover types appear at the bottom of the page (likely from a more recent era). There are 5 manhole covers in the site that are made by the Manufacturer
Click for the 5 covers made by Ramras (Of these, 0 are best covers)