- This Set Includes: > 13 X Spade Drill Bit ( all in 6 inch Length & The Hex Shank is 1/4" ) > 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 3/4", 7/8", 1" > 1-1/8", 1-1/4", 1-3/8", 1-1/2" > DURABLE & PORTABLE POUCH BAG - Cuttex Tools Spade Drill Bits Set Constructed From High Quality Carbon Steel With Heat Treated For Durability, Head With Polished Surface For Longevity - Cutting Edge With Double Side Cutting Spurs of High Quality For Durable and Quick Drilling Effortlessly - Quick-Change Hex Shank, with Groove For Reducing Slipping and Prevent Falling Off, Safety - Universal For The Most Drill Driver Tool Of Brands in the Markets, the hex shank is 1/4 - Suitable for All Kind Of Wood Working, Excellent Set for professional and Home Use - Anti-rust oil on the surface to protect the hole saw from natural oxidation - Smooth finish; sharp teeth reduces resistance during cutting and allows fast and clean cuts - If you have any question about our products, please feel free to contact us. We will always provide you with professional services until you are satisfied * DESIGN & QUALITY INSPECTED BY CUTTEX TOOLS - ORANGE COUNTY - CALIFORNIA