Dremel 4-volt 1/4-in Cordless Screwdriver in the Cordless Screwdrivers department at Lowes.com
Dremel Model #200-2-30-33-Piece 2-Speed Corded-Amp Multipurpose Rotary Tool | eBay
Electric Rotary Tool Kit, SPTA Mini Electric Grinder Set Mini Handle Electric Drill Grinding Engraving Pen Milling Trimming Polishing Drilling Cutting Engraving Tool 33Pcs Kit - - Amazon.com