Mattison Model 96 60120 Vertical Spindle Rotary Surface Grinder. ... Mattison Vertical Spindle Rotary Surface Grinder Model: 96 Serial Number: 9633 New: 1988. SPECIFICATIONS: 120″ Diameter Magnetic Chuck ElectroMagnetic Control 60″ Segmented Grinding Wheel 154″ Swing Inside Guards 300 HP Geared Grinding Wheel Head 48″ Vertical Height ...