Knob + detent Ball +spring and screw for Ingersoll 231-231H-1/2" impact gun

Ingersoll rand. BE231-666- Reverse valve detent Knob. BE231-664- Reverse valve detent spring. BE231-AV1-255 Reverse valve detent ball. 1/2- impact- 231 all series- 244- Short and long. Sold as a kit- (You will receive 4 pcs- Knob.ball. ).