... 45*48*1271/2,1/41/8,1/12inch6mm,8mm,10mm 4pcCP 54*150*851/2,1/41/8,1/12inch6mm,8mm,10mm 6pcCP ... 54*210*851/2,1/41/8,1/12inch6mm,8mm,10mm 12pcCP ... 76*280*1011/2,1/41/8,1/12inch6mm,8mm,10mmbase with ... stepped hole to accept 6 mm and 8 mm 1/2,1/4,1/6,1/8,1/10shank diameters . Router bits plastic box