be (all) of a piece

To share the same characteristics as those of the same kind. I don't why you're surprised about that outrageous new bill—politicians are all of a piece.

Common Names:

Name	Pronounced	Usage
Zeferino	-	Portuguese
Izumi	ee-zoo-mee	Japanese
Basim	-	Arabic
Atteridge	['ætəridʒ]
Peninnah	pi-NIN-ə (English), pee-NIN-ə (English)	Biblical
Boutros	-	Arabic, Coptic