CLE LINE Assorted High Speed Steel Twist Drill Bit Set Exterior Paints wear resistant Construction Forged box DuraStone wear resistant Construction Forged box joint 11 mm impact socket Brand Model Compatibility 0 Type Jobber length Bit Length Set Shank Size Set Shank Type Round Right Left Hand Right handed Tip Geometry 135 degree split point Heavy Duty No Material High speed steel Package Quantity 1 For Use on Fiberglass Yes For Use on Metal Yes For Use on PVC Yes For Use on Stainless Steel Yes For Use on Wood Yes Set Individual Set CA Residents: Prop 65 Warning(s) Yes Warranty None Bit Diameter (Letter) Assorted Bit Diameter (Inches) Assorted Bit Diameter (mm) Assorted Bit Diameter (Number) Assorted Maximum Drilling Depth Set Professional quality drill bits made in the USA Precision ground flutes and points for hole accuracy and fast material removal Lasts 3 times longer and drills 2 times faster than standard drill bits 135 ° split point drills on contact and eliminates walking 135 ° split point requires less force so you do not have to push as hard Black and gold finish adds lubricity allowing the drill bit to run cooler and last longer Sizes 3 16 inch and larger have flatted shanks which eliminates slipping in the chuck Sizes larger than 3 8 inch have a reduced and flatted shank and will fit into 3 8 inch and larger chucks The heavy duty steel case is comprised of compact steel construction protecting your drill bits and organizes them for easy identification and storage