7 Inch High Speed Backing Plate 5/8″ x 1. Our re-engineered high quality backing plates for high speed buffing were developed with our 20 years of past expertise in the field. These Plates are top performers that are guaranteed to keep your customers happy.

• Diameter: 7 inches
• Thickness: 1 inch
• Thread: Female 5/8 x 11 (inches)
• Max RPM: 3000