Pilot point tip starts on contact for clean, accurate holes and reduces lock-up on breakthrough, No spin shank eliminates the frustration of bit spinning in the chuck, Tapered web provides greater durability to reduce breaking, Size markings located above the shank to prevent wearing away, 7/16"" diameter, carded, Length: 7, 75, Width: 1, 57, Height: 1, 87 SKU: JNSN24348