Does anybody know what kind of turbo this is?

When i had my turbo's rebuild,the company that was doing the rebuild sent me this thing.They said they would pick it up later but they never did.
Maybe i can use parts of this turbo when i need another rebuild?
The turbine housing has different flanges,but the mid section seems to be the same as on the stock turbo's.
Could i use the compressor housing to get rid of that stupid ic pipe-connection to the rear turbo?
If anybody knows this please tell me.I'm getting new manifolds soon so the turbo has to come of anyway.Thanx