SNAPPY 7-Piece Cabinet Makers Set Fits Festool Centrotec Chucks #93572 3/32", 7/64" and 1/8" pilot with 3/8" counterbore; 9/64" pilot with 1/2" counterbore 7/64" and 9/64" self-centering hinge bits include replaceable HSS pilot bits Includes precision milled 3" long driver bit with hardened #2 Square Drive Insert Engages Centrotec chuck for extremely close axial alignment of bit and output shaft of drill Reduced run-out and maximum torque transfer between drill and bit