The 'Quadraset' with its four cutters enables you to cut grooves and dados from 1/8" through *23/32" (3.2MM-18.0MM) in increments of 1/32" (0.1MM). Tongue & Groove can also be achieved with proper set-up. Fully diagrammed instructions included for both fractional and metric sizes. Complete with four cutters (1/8", 5/32", 3/16", 1/4"), arbor, ball bearing guide, spacers, and shims. For different depth of cut, see 'vari-depth bearings listed below.