(1) One 12" double sided grinding disc, 1/4" thick,  #120 (medium coarse) on one  side and #350 (fine) on the other.  It fits on a potter's wheel just like a bat, with standard bat pin holes.  Just flip over to change grits.

(2) One 8" #500  diamond saturated polishing pad with magnetic backing

(3) One 10" #2000 (very fine)  diamond saturated polishing pad with magnetic backing.

(4) One water drip kit.

More details of the items are described in other parts of this site.

This set is also available with a 14 inch double sided disc instead of the 12 inch.  Everything else is the same.