PART NO. DIAM. GRIT ARBOR COLOUR SC125TS18 5 18/20 5/8-7/8 Red SC125TS18-T 5 18/20 Threaded Red SC125TS30 5 30/40 5/8-7/8 Red SC125TS30-T 5 30/40 Threaded Red SC125TS60 5 60/80 5/8-7/8 Red SC125TS60-T 5 60/80 Threaded Red SC125TS80 5 80 5/8-7/8 Red SC125TS80-T 5 80 Threaded Red SC125TS120 5 120 5/8-7/8 Red SC125TS120-T 5 120 Threaded Red SC178TS18 7 18/20 5/8-7/8 Red SC178TS18-T 7 18/20 Threaded Red SC178TS30 7 30/40 5/8-7/8 Red SC178TS30-T 7 30/40 Threaded Red SC178TS60 7 60/80 5/8-7/8 Red SC178TS60-T 7 60/80 Threaded Red SC178TS80 7 80/100 5/8-7/8 Red SC178TS80-T 7 80/100 Threaded Red SC178TS120 7 120/140 5/8-7/8 Red SC178TS120-T 7 120/140 Threaded Red