Manufacturer: Mixer Systems Inc
Mo. # XF02430000
Material: Steel (machined, with signs of rust or oxidation)
Mounting Holes:
Multiple tapped threaded holes on one side (likely for attachment to a base or another component)
Through holes on the other side for bolts or alignment pins
Milled Slots or Rails:
The second image shows what looks like guide rails or ways, possibly for linear bearing blocks or to seat into another frame.
First Come, First Served