| JM Part Number | Part Max Dia | Part Max Flat | Max Torque | Drive Size |
| Inches | Inches | Ft-lbs | Inches | |
| RKW40 | 0.944 | 0.755 | 40 | 0.500 |
| RKW40M | 0.894 | 0.711 | 40 | 0.500 |
| Category: | Sockets |
| Country of Origin: | USA |
This knob is a replacement for the following parts:
| Manufacturer | Part Number |