450 Series - Dimcogray wingnut knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 4-450-003 | Thermoplastic | Imperial | Female | 1 | 5/8 | 1/2 | 1/8 | 3/8 | 1/4-20 |
| 4-450-005 | Thermoplastic | Imperial | Female | 1 | 5/8 | 1/2 | 1/8 | 3/8 | 10-32 |
| 4-450-009 | Thermoplastic | Imperial | Male | 1 | 5/8 | 1/2 | 1/8 | 1/2 | 1/4-20 |
| 4-450-011 | Thermoplastic | Imperial | Male | 1 | 5/8 | 1/2 | 1/8 | 5/8 | 1/4-20 |
| 4-450-012 | Thermoplastic | Imperial | Male | 1 | 5/8 | 1/2 | 1/8 | 3/4 | 1/4-20 |
| 4-450-019 | Thermoplastic | Imperial | Female | 1 | 5/8 | 1/2 | 1/8 | 3/8 | 1/4-28 |
| 4-450-020 | Thermoplastic | Imperial | Female | 1 | 5/8 | 1/2 | 1/8 | 3/8 | 5/16-18 |
| 4-450-021 | Thermoplastic | Imperial | Male | 1 | 5/8 | 1/2 | 1/8 | 3/8 | 10-32 |