Motors: 110V, 1ph, 50/60Hz 220V, 1ph or 3ph, 50/60Hz - Drill Tips Available: Standard: Taper Point Optional: Diamond Point, Open End Awl, Closed Awl, PTFE Coated - Drill Diameter: English Metric 3/64 in 1.19mm 5/64 in 1.98mm 3/32 in 2.38mm 1/8 in 3.18mm 5/32 in 3.97mm 3/16 in 4.76mm 1/4 in 6.35mm 5/16 in 7.93mm 3/8 in 9.52mm - Drilling Capacity: 6 in. (15.2cm) 8 in. (20.3cm) 11 in. (27.9cm)