8220-1/28 Dremel 12-Volt Max 1 Attachment, 28 Accessories Cordless Rotary Tool Kit 8220-1/28 Dremel 12-Volt Max 1 Attachment, 28 Accessories Cordless Rotary Tool Kit features the highest performance and versatility of all rotary tools and the compact size and weight allows for access into tighter areas and can be used with all Dremel accessories and attachments. 8220-1/28 Dremel 12-Volt Max 1 Attachment, 28 Accessories Cordless Rotary Tool Kit is easy to use and is a product of Moto Tool Flex Shaft having a 33-percent longer run time for a variety of applications.