Master Mechanic, .5 inch x 6 inch , High Speed Steel, Titanium Coated Drill Bit, 135 Split Point, Jobber Length, .375 inch Shank, 135 Split Point Design With 4 Cutting Edges Eliminates Walking and Permits Quick Accurate Starting, Added Lubricity Of Titanium-Nitride Surface Finish Enhances Chip Flow, Drilling Efficiency and Increases Drill Life, Recommended For Heavy Duty Drilling In Wood, Plastic, Wallboard, Plywood and Soft Metals and For Moderate Use In Heat Treated Or Ferrous Metals, Carded.