NEW! 20 Pc Driver & Drill Bit Kit includes: 1/4″ Quick Release Adapter, 2-1/4″ Magnetic Bit Holder, 4-3/4″ Screw Drive Guide Four Countersink Drill Bits: #6, #8, #10, #12, Four Magnetic Nut Drivers: 1/4″, 5/16″, 3/8″, 7/16″ Three HSS-TiN Drill Bits: 3/16″, 1/4″, 5/16″, Three HM-CT Masonry Drill Bits: 3/16″, 1/4″, 5/16″ 1″ Insert Bit: SQ2, Centre Punch, Hex Key