A 6-piece titanium-coated High-Speed Steel (HSS) step drill and saw bit set (also known as a pagoda or cone drill set) in a red and clear plastic storage case. It includes three stepped/conical drill-saw bits and three standard twist drill bits of varying sizes.Set Contents & Specifications3 Step/Cone Drill Bits: Typically sized 4–12 mm, 4–20 mm, and 4–32 mm, featuring straight or spiral flutes with stepped increments to drill multiple hole diameters with one bit.3 Saw/Twist Drill Bits: Complementary smaller bits designed for pilot drilling, cutting, or fast material removal.Coating: Titanium nitride coating reduces friction and operating heat for enhanced durability.