425 Series - Dimcogray oval soft feel knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 4-425-001 | Thermoplastic | Imperial | Female | 1-1/2 | 2-1/2 | 15/16 | 1-1/2 | 5/8 | 1/4-20 |
| 4-425-002 | Thermoplastic | Imperial | Female | 1-1/2 | 2-1/2 | 15/16 | 1-1/2 | 3/4 | 5/16-18 |
| 4-425-003 | Thermoplastic | Imperial | Female | 1-1/2 | 2-1/2 | 15/16 | 1-1/2 | 5/8 | 3/8-16 |
| 4-425-004 | Thermoplastic | Imperial | Female | 1-1/2 | 2-1/2 | 15/16 | 1-1/2 | 5/8 | 1/2-13 |
| 4-425-005 | Thermoplastic | Imperial | Female | 1-1/2 | 2-1/2 | 15/16 | 1-1/2 | 1-7/16 | 1/2 |
| 4-425-805 | Thermoplastic | Imperial | Male | 1-1/2 | 2-1/2 | 15/16 | 1-1/2 | 1/2 | 1/4-20 |