PMD Beauty PMD Replacement Discs Body Kit The Body Kit consists of 1 small and 2 large black body discs, and 1 small and 2 large yellow intense body discs. These discs are very coarse and are meant to be used on the body only. Replace discs every 3-4 uses. Fits any PMD Personal Microderm Device (not included). Discs are made of aluminum oxide. About Personal Microderm: Personal Microderm uses a patented spinning disc technology to deliver revolutionary microdermabrasion treatments and unmatch.