Southwire 3 8 in High Speed Steel 11 Step Drill Bit DIY Tool Kit Item Weight 30 Color Family '203979022 Item Weight 30 Color Family Red Connectivity Clamp Crimp Material Polyethylene Returnable 180 Day Pipe or Fitting Product Type Pipe & Tubing Product Weight (lb Q: Are they metric or inch Split point self starting tip requires no pilot hole and penetrates faster Tri lobe shank reduced slippage and firm grim in the chuck Laser etched sizes for easy identification Double flute design for fast cuts and a true round hole every time Sub Brand N A Number of Hole Sizes 11 Diameters of Holes Drilled 3 16 in to 7 8 in Shank Size 3 8 in Shank Type Round Material High speed steel Set Individual Individual CA Residents: Prop 65 Warning(s) No