Item description for 4-1/2" 5/8" x 11TPI Threaded BACKING PAD / DISC and 5/16" Shaft ADAPTER 7/8 hole

4-1/2" 5/8" x 11TPI Threaded BACKING PAD / DISC with 5/16" Shaft Adapter
The price is for 1 (one) Backing Pad / Disc and 1 (one) Adapter
Used to hold Sandpaper ETC. with a 7/8" Hole
Durable Polypropylene Backing Pad with Cooling Holes a Ridges.
Metal Insert and Threads
Standard Threaded 5/8 inch by 11 Threads Per Inch.
Fits Most Electric Angle Grinders, and many Other Tools.
Maximum 20,000 RPM
Also Includes an All Metal Construction 5/16" Shank by 5/8 x 11TPI Threaded Adapter, so it can be used in a Drill Chuck or Similar Tools

...BRAND NEW... In the package...