A rotary tool that's not tied down
Dremel 8220 Review: Power, Battery Time, And More
8220-N/30H Rotary Tool Kits 7.2V to 14.4V
HackSpace - August 2020, PDF
DREMEL® 8220 Cordless Tools
Dremel 8220 Cordless Rotary Tool - The Complete Buyer's Guide
HackSpace - August 2020, PDF
DREMEL® 8220 Cordless Tools
Dremel 8220 Review: Power, Battery Time, And More
Dremel 8220 Series 12-Volt MAX Variable Speed Cordless Rotary Tool Kit with Flex-Shaft Flexible Rotary Tool Attachment Cable 8220N/30H+22502 - The Home Depot
HackSpace - August 2020, PDF
DREMEL® 8220 Cordless Tools
Dremel 8220-1/28 12-Volt Max Cordless Rotary Tool : : DIY & Tools