Koyo KC-500 Centerless Grinder, Capacity: 3mm to 120mm Diameter, Max Grinding Wheel Size: 610mm x 510mm, Diameter of Regulating Wheel: 508mm, Main Spindle Drive Motor: 29.3-HP (Approx), G.W. Truing Speed Adjustment, w/ 1-Ton x 6′ Jib Crane, Meters Gauges, Digital Controllers, Flow Pro 630D/HPN-70 Coolant Filtration System (No Chain)