This consists of four items:  (1)A double-sided electroplated diamond grinding disc with a coarse  (#120) and fine (#350) side, (2) a water drip kit, (3) a 10" #2000 polishing pad with magnetic backing, and (4) 8" #500 polishing pad with a magnetic backing.  The two polishing pads attach to the main e14' electroplated grinding disc by magnetic force.    Each of these four items are described elsewhere on this website.