SNAPPYs quality 7-Piece Cabinet Makers Drill Bit Set is manufactured at close tolerances to fit the precision Festool Centrotec chuck found on most Festool drills, including the very popular Festool CXS Cordless Drill. Cabinet Makers Set includes four Twist Bit Countersinks, two Self-Centering Hinge Bits and a #2 Square Driver Bit to cover most needs when assembling and installing cabinets.