| Part Number | Description |
| MBU17-N6 | MBU-type, 17 mm Dia., Nitrile(NBR), 60° Hardness |
| MBU23-N6 | MBU-type, 23 mm Dia., Nitrile(NBR), 60° Hardness |
| MBU27-N6 | MBU-type, 27 mm Dia., Nitrile(NBR), 60° Hardness |
| MBU17-S3 | MBU-type, 17 mm Dia., Silicone, 30° Hardness |
| MBU23-S3 | MBU-type, 23 mm Dia., Silicone, 30° Hardness |
| MBU27-S3 | MBU-type, 27 mm Dia., Silicone, 30° Hardness |
| MBU17-S5 | MBU-type, 17 mm Dia., Silicone, 50° Hardness |
| MBU23-S5 | MBU-type, 23 mm Dia., Silicone, 50° Hardness |
| MBU27-S5 | MBU-type, 27 mm Dia., Silicone, 50° Hardness |
| MBU17-W3 | MBU-type, 17 mm Dia., White Silicone, 30° Hardness |
| MBU23-W3 | MBU-type, 23 mm Dia., White Silicone, 30° Hardness |
| MBU27-W3 | MBU-type, 27 mm Dia., White Silicone, 30° Hardness |
| MBU17-W5 | MBU-type, 17 mm Dia., White Silicone, 50° Hardness |
| MBU23-W5 | MBU-type, 23 mm Dia., White Silicone, 50° Hardness |
| MBU27-W5 | MBU-type, 27 mm Dia., White Silicone, 50° Hardness |
| MBU17-W3(FDA) | MBU-type, 17 mm Dia., White Silicone, 30° Hardness (FDA) |
| MBU23-W3(FDA) | MBU-type, 23 mm Dia., White Silicone, 30° Hardness (FDA) |
| MBU27-W3(FDA) | MBU-type, 27 mm Dia., White Silicone, 30° Hardness (FDA) |
| MBU17-W5(FDA) | MBU-type, 17 mm Dia., White Silicone, 50° Hardness (FDA) |
| MBU23-W5(FDA) | MBU-type, 23 mm Dia., White Silicone, 50° Hardness (FDA) |
| MBU27-W5(FDA) | MBU-type, 27 mm Dia., White Silicone, 50° Hardness (FDA) |
| MBU17-U6 | MBU-type, 17 mm Dia., Urethane, 60° Hardness |
| MBU23-U6 | MBU-type, 23 mm Dia., Urethane, 60° Hardness |
| MBU27-U6 | MBU-type, 27 mm Dia., Urethane, 60° Hardness |