Laboratory Grade AA
| Size | 4 Face Part # | 4 Face Price | 6 Face Part # | 6 Face Price |
| 4x4x4 | M0444-4AA | $328.00 | M0444-6AA | $367.00 |
| 4x4x6 | M0446-4AA | $396.00 | M0446-6AA | $436.00 |
| 6x6x6 | M0666-4AA | $490.00 | M0666-6AA | $555.00 |
| 8x8x8 | M0888-4AA | $655.00 | M0888-6AA | $743.00 |
Inspection Grade A
| Size | 4 Face Part # | 4 Face Price | 6 Face Part # | 6 Face Price |
| 4x4x4 | M0444-4A | $280.00 | M0444-6A | $308.00 |
| 4x4x6 | M0446-4A | $343.00 | M0446-6A | $389.00 |
| 6x6x6 | M0666-4A | $408.00 | M0666-6A | $474.00 |
| 8x8x8 | M0888-4A | $578.00 | M0888-6A | $643.00 |
Tool Room Grade B
| Size | 4 Face Part # | 4 Face Price | 6 Face Part # | 6 Face Price |
| 4x4x4 | M0444-4B | $251.00 | M0444-6B | $280.00 |
| 4x4x6 | M0446-4B | $314.00 | M0446-6B | $336.00 |
| 6x6x6 | M0666-4B | $325.00 | M0666-6B | $391.00 |
| 8x8x8 | M0888-4B | $512.00 | M0888-6B | $574.00 |
Larger sizes available upon request
