– 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