| Part No. | Description | Diameter (inch) | Thickness (inch) | Durometer | Color |
| MD-09-025R | 9in X1/4in Red Urethane disc | 9 | 1/4 | 85 A | Red |
| MD-09-025Y | 9in X1/4in Yellow Urethane disc | 9 | 1/4 | 90 A | Yellow |
| MD-12-025R | 12in X1/4in Red Urethane disc | 12 | 1/4 | 85 A | Red |
| MD-12-025Y | 12in X1/4in Yellow Urethane disc | 12 | 1/4 | 90 A | Yellow |
| MD-15-025R | 15in X1/4in Red Urethane disc | 15 | 1/4 | 85 A | Red |
| MD-15-025Y | 15in X1/4in Yellow Urethane disc | 15 | 1/4 | 90 A | Yellow |
| MD-20-025R | 20in X1/4in Red Urethane disc | 20 | 1/4 | 85 A | Red |
| MD-20-025Y | 20in X1/4in Yellow Urethane disc | 20 | 1/4 | 90 A | Yellow |
| MD-25-025R | 25in X1/4in Red Urethane disc | 25 | 1/4 | 85 A | Red |
| MD-25-025Y | 25in X1/4in Yellow Urethane disc | 25 | 1/4 | 90 A | Yellow |
| MD-26-025R | 26in X1/4in Red Urethane disc | 26 | 1/4 | 85 A | Red |
| MD-26-025Y | 26in X1/4in Yellow Urethane disc | 26 | 1/4 | 90 A | Yellow |
| MD-27-025R | 27in X1/4in Red Urethane disc | 27 | 1/4 | 85 A | Red |
| MD-27-025Y | 27in X1/4in Yellow Urethane disc | 27 | 1/4 | 90 A | Yellow |
| MD-32-025R | 32in X1/4in Red Urethane disc | 32 | 1/4 | 85 A | Red |
| MD-32-025Y | 32in X1/4in Yellow Urethane disc | 32 | 1/4 | 90 A | Yellow |
