495 Series - Dimcogray round fluted knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 4-495-001 | Thermoplastic | Imperial | Female | 3-1/4 | 1-5/8 | 2 | 3/4 | 5/8 | 1/4-20 |
| 4-495-003 | Thermoplastic | Imperial | Female | 3-1/4 | 1-5/8 | 2 | 3/4 | 3/4 | 5/16-18 |
| 4-495-004 | Thermoplastic | Imperial | Male | 3-1/4 | 1-5/8 | 2 | 3/4 | 1/2 | 5/16-18 |
| 4-495-006 | Thermoplastic | Imperial | Male | 3-1/4 | 1-5/8 | 2 | 3/4 | 1 | 5/16-18 |
| 4-495-007 | Thermoplastic | Imperial | Male | 3-1/4 | 1-5/8 | 2 | 3/4 | 3/4 | 3/8-16 |
| 4-495-009 | Thermoplastic | Metric | Female | 3-1/4 | 1-5/8 | 2 | 3/4 | 1/2 | M10-1.5 |
| 4-495-010 | Thermoplastic | Imperial | Female | 3-1/4 | 1-5/8 | 2 | 3/4 | 5/8 | 3/8-24 |