Extruded, easy-to-grip aluminum clamping knob. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.
| Material | Heat Treat | Finish | RoHS |
| Extruded Aluminum | Yes | Green Anodize | Yes |

| A Diameter (Inch) | B Diameter (Inch) | C (Inch) | D (Inch) | E Diameter (Inch) | E Depth (Inch) |
| 1" | 1/2" | 7/8" | 1/2" | 1/4" | 1/2" |