Thousands of satisfied customers testify to the durability and simplicity of the Tumble-Vibe 5. Mated with the spare bowl and a GSH-2 Stone Finishing Kit, this is a must for any beginner. The kit comes complete and ready to operate with a motorized base, two bowls, clear lid, two rubber nuts and all the grits necessary for accomplishing the grinding step through the final polish step of most gemstones. The four steps that are included are Silicone Carbide ((100/120) – rough grind, Silicone Carbide (700F) – find grind, Iolox 50 – pre-polish, and Ray rite TL – polish. This dynamic compact system handles many applications.