GE ‘High Speed’ Disposall, is this an 8,000 RPM unit?

[aunabreslun20]

i think they're just hardened stainless steel the tungsten carbide cutters are usually deeper in color, no? not shiny steel won't care either way as it will
aand if it has the plastic mount it's mid/late 90s
everything before that had metal and they changed the design on those so subtly that it becomes increasingly difficult to tell when it's from

 

[aunabreslun20]

i think they're just hardened stainless steel the tungsten carbide cutters are usually deeper in color, no? not shiny steel won't care either way as it will crush literally anything
aand if it has the plastic mount it's mid/late 90s
everything before that had metal and they changed the design on those so subtly that it becomes increasingly difficult to tell when it's from