279 Series - Dimcogray round top tapered handle knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | Thread length | Thread size |
| 1-279-017 | Phenolic | Imperial | Female | 1 | 1-1/4 | 1/2 | 5/16 | 10-32 |
| 1-279-026 | Phenolic | Imperial | Female | 1 | 1-1/4 | 1/2 | 5/16 | 8-32 |
| 1-279-027 | Phenolic | Imperial | Female | 1 | 1-1/4 | 1/2 | 7/16 | 5/16-18 |
| 1-279-029 | Phenolic | Imperial | Female | 1 | 1-1/4 | 1/2 | 7/16 | 1/4-20 |
| 1-279-037 | Phenolic | Imperial | Male | 1 | 1-1/4 | 1/2 | 1/4 | 10-32 |
| 1-279-040 | Phenolic | Imperial | Male | 1 | 1-1/4 | 1/2 | 3/4 | 5/16-18 |