The Challenge MS-10 Multi-Spindle Drill is a high production and heavy-duty paper drill capable of up to 10 holes in a single stroke makes the MS-10 the ultimate drilling machine. Drills Up To 10 Holes in One Stroke. Maximum Drill Bit Diameter 1/2″ – 2-1/2″ Drilling Capacity. Powerful Hydraulic Operation. Easy Head Adjustment. Variable Speed Stroke Control. Automatic Paper Chip Removal. Rugged Cast Iron Construction. Flexible Side Guide Adjustments. Multi-Splined Drive Shaft. Backgauge Adjustments. Lighted Work Surface.