DEWALT 21 Piece Assorted Titanium Twist Drill Bit Set Ceiling ) 50 Manufacturer Warranty Limited ) 50 Manufacturer Warranty Limited Manufacturers Warranty Free from defects in materials and workmanship 8 in Handle Type Lever Handle Included Components No Additional Items Installation Type 4 in Brand Model Compatibility Universal 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 Titanium Package Quantity 21 For Use on Fiberglass Yes For Use on Metal Yes For Use on PVC Yes For Use on Stainless Steel No For Use on Wood Yes Set Individual Set CA Residents: Prop 65 Warning(s) No Warranty None Bit Diameter (Letter) Assorted Bit Diameter (Inches) Assorted Bit Diameter (mm) Assorted Bit Diameter (Number) Assorted Maximum Drilling Depth Set wood and plastics