This exciting set is just what you're looking for if you have a Dremel Rotary Tool and wish to start drilling small holes in pebbles, sea glass, shells, or pieces of pottery shards, china, or ceramics.The set contains the following: Dremel Multi Chuck 4486 in original Dremel box 0.75 mm Small Diamond Drill Bit 1.5 mm Small Diamond Drill Bit 1 mm Small Diamond Core Drill 2 mm Small Diamond Core Drill You've just bought a Dremel 3000, Dremel 4000 (or similar Dremel model), and a Dremel flexible shaft 225 and would like to start making jewellery or wish to embark on a new hobby, some DIY or craft skill. This is the perfect starter kit for you. Looking for a tool kit for drilling sea glass? This is the one! If you already have a Dremel Multi Chuck and wish to purchase the Small Diamond Drill Bits and Small Diamond Core Drills, the individual sizes in this set can be purchased from the relevant product pages. ***This is a genuine Dremel Multi Chuck 4486 in this set, in original Dremel packaging. Beware of cheap imitations***