457 Series - Dimcogray tapered soft feel knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 4-457-801 | Thermoplastic | Imperial | Female | 1-3/8 | 2-1/8 | 13/16 | 1-3/4 | 1 | 3/8 |
| 4-457-802 | Thermoplastic | Imperial | Female | 1-3/8 | 2-1/8 | 13/16 | 1-3/8 | 1 | 1/2 |
| 4-457-804 | Thermoplastic | Imperial | Female | 1-3/8 | 2-1/8 | 13/16 | 1-3/8 | 5/8 | 5/16-18 |
| 4-457-805 | Thermoplastic | Imperial | Female | 1-3/8 | 2-1/8 | 13/16 | 1-3/8 | 5/8 | 3/8-16 |
| 4-457-806 | Thermoplastic | Imperial | Female | 1-3/8 | 2-1/8 | 13/16 | 1-3/8 | 5/8 | 1/2-13 |