| Part Number | GRIT | MSDS # | Descriptions |
| CL.7A | 1200 | 39587 | EXTREMELY FINE |
| CL.6A | 1000 | 39574 | Polishing, High Precision Lapping |
| CL.5A | 800 | 39561 | |
| CL.4A | 600 | 39549 | VERY FINE |
| CL.3A | 500 | 39536 | For fine Polishing and Lapping |
| CL.2A | 400 | 39523 | |
| CL.1A | 320 | 39510 | FINE |
| CL.A | 280 | 39401 | For Finishing, Valve Lapping, Bearings, Dies and Gauges |
| CL.B | 240 | 39413 | MEDIUM FINE |
| CL.C | 220 | 39426 | For Cylinder Lapping |
| CL.D | 180 | 39439 | MEDIUM |
| CL.NC | 150 | 39499 | General Purpose for controlled Metal Removal |
| CL.E | 120 | 39452 | COARSE |
| CL.F | 100 | 39463 | For the Initial "Cut" |
| CL.G | 80 | 39473 | Fast Removal of Metal |
| CL.J | 50 | 39483 | VERY COARSE |
| CL.K | 36 | 39491 | For Fastest Metal Removal |