Makita P51954 4 Piece Fast Change Countersink Set, complete with No.6, 8, 10 and 12 bits. For recessing screws in hinges and for furnitureApplication: Countersink, joinery, cabinet making, furniture, assembly, mdf.4 counter sink bits Features: Fast change countersink Use with 3 jaw chuck or MakLok chuck NOT for use with Impact Drivers Comes with: Bit No.6 Bit No.8 Bit No.10 Bit No.12 Warning: TO MINIMISE THE RISK OF EYE INJURY, ALWAYS USE EYE PROTECTION Specification: No.6 : 3/32\" Pilot No.8 : 7/64\" Pilot No.10 : 1/8\" Pilot No.12 : 1/8\" Pilot