A/C Manifold Gauge Knob Harbor Freight U.S. General & Others (LOW SIDE ONLY)

This is a 3D Printed A/C Manifold Gauge Replacement Knob - select which side for the drop-down menu, the shafts are different sizes

Everyone seems to have at least one of these knobs break on them. Even YouTube videos show people using pliers because the knobs are broken. This knob fits the U.S. General A/C Manifold Gauge Set from Harbor Freight.