The Dremel 8220 variable-speed cordless rotary tool kit offers the highest performance and versatility of all Dremel cordless rotary tools. The strength of its motor facilitates maximum performance at all speed levels. In fact, with its 12VMAX lithium-ion battery technology, the Dremel 8220 has a 33% longer run-time than the Dremel 8200 cordless rotary tool when cutting screws. Our cordless rotary tool kit's list of included accessories is extensive, but for those who need even more flexibility, you can pair any Dremel rotary tool accessory or attachment with the 8220. Best of all, with the tool's slim ergonomic body, you'll get a 360-degree grip zone for control in any position.