555143 Shopsmith 12" Steel Sanding Disc
An Extra Disks that Lets You have one disk setup for sharpening and one for sanding
Heavy, 12" diameter steel sanding disc features a precision steel arbor that is carefully attached to eliminate bothersome run-out and wobble.
Just install the sandpaper disc of your choice, slip the arbor onto your Mark 7 or Mark V (or Power Station) spindle and go to work.
Keep an extra Shopsmith's flat steel sanding disc as seen below for when using your sharpening guide
Sharpening using the guide is not suited on a velcro backed system


don't forget your 753523 Abrasive Cleaning Stick to extend grit life
Abrasive Sanding Stick Make Your Sandpaper Last Four Times Longer !

Just hold this special stick against moving belt, disc or drum and watch as they're cleaned to as-new condition. 1-1/2" x 1-1/2" x 8" long. A real money-saver !