Drill/flip/drive set features include quick and easy changes between drilling and driving, black oxide split point drill bits start on contact, quick change mechanism for easy 1 step loading, easy push forward 1-handed release, contoured finger grip for easy ergonomic use, 5/16" shank for added durability, and multi-cutter countersinks for superior finish with less chipping. Set contains drill drive holder, drill drive connector, (1) each No. 6, No. 8, No. 10 countersink bits, (1) No. 8 replacement drill bit, (1) No. 8 replacement drill bit and heavy-duty container, (2) No. 6 replacement drill bits, and (3) screwdriver bits.