The Dremel 8220 variable-speed cordless rotary tool offers the highest performance and versatility of all Dremel cordless rotary tools. The strength of its motor facilitates maximum performance at all speed levels. The ability to use all existing Dremel accessories and attachments let the Dremel 8220 complete a wide range of projects. A slim ergonomic body provides a 360-Degree grip zone for control in any position. Powered by 12VMAX Lithium-ion battery technology, the Dremel 8220 has a 33-Percent longer run-time than the Dremel 8200 cordless rotary tool when cutting screws.