Installation Instructions

  • Yellow Roll Pin Knob

    Is this the knob installed in your vehicle? This knob is usually factory installed in Class A Motorhomes with Air Brakes. This knob is most commonly used. Use STOP KNOB Model: SNAR1

    Roll Pin Installation Instructions 
  • Yellow Spring Button Knob

    Is this the knob installed in your vehicle? This knob is also factory installed in Class A Motorhomes with Air Brakes. Use STOP KNOB Model: SNAR1

    Spring Button Installation Instructions 
  • Yellow Commercial Knob

    Is this the Knob installed in your Super C Motorhome, Commercial Truck, Heavy Equipment, or Bus with Air Brakes? Use STOP KNOB Model: SNCB1

    Commercial Installation Instructions 

Instructions for Roll Pin Removal Tool

Roll Pin Removal Tool

Our custom removal tool easily
removes the Roll Pin on factory air brake knobs. Click for full instructions on this tool.

Click for detailed installation instructions

Buy Roll Pin Removal Now!