3D flexible 7″ Rotary Green Backing Plate is the ideal backing plate for any rotary buffer. This plate is designed to provide the flexibility for all the surface contours and the firmness to remain steady and flat for optimum cutting and polishing results. 7″ Rotary Green Backing Plate (14mm Thread) WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov