Check the listing for details. Renegade Insertable Safety Flanges for High Speed Polishing (For Buffing Wheels. Condition: New. Listed at 56.99 USD. Renegade Insertable Safety Flanges for High Speed Polishing (For Buffing Wheels WITHOUT Center Plates) #51909 Safety Flanges for High Speed PolishingWhat are Safety Flanges? Safety Flanges are to be used during high speed polishing and buffing with our Airway Buffing Wheels. They are meant to reduce the chances warping of the center plate of the buffing wheel. In addition to offering protection against warping, Safety Flanges also help to keep the buffing wheel securely in place.How do I use Safety Flanges? Attach the safety flanges to each side of your airway buffing wheel by simply placing the flange on your grinder's shaft, placing the buffing wheel on top of the flange, and placing the second flange on top of the buffing wheel. The next step is to fasten the attachments securely before buffing and cutting. Safety Flanges are offered for buffing wheels with or without center plates.