5 1/4" BACKING PLATE

This is the best backing plate on the market for the PC7424XP Porter Cable orbital buffer. Also fits the similarly constructed Meguiars and Griots buffers.  5/16" threaded shaft. 

• Unique Properties Of The Molded Urethan Construction Make This Backing Plate A True Performer
• Dual-Action, Flexible Design Minimizes Heat Transfer And Forms Itself To Match The Curves Of Your Car
• Durable And Built To Last, These Backing Plates Stand Up To The Toughest Usage
• Designed To Retain The Essential Balanced Properties That Make The Backing Plate Such An Important Part Of The Polishing Process
• Features A Molded Hook And Loop Service For Quick And Easy Pad Changes
• Preferred By The World's Leading Car Manufacturers