Our lifetime of TOOL RANKINGS now includes Die Grinders: https://torquetestchannel.etsy.com/ RA Air grinder: https://amzn.to/3gQKCHF M12 is currently $152 if you need cordless: https://amzn.to/3ESsANbstraight and RA w/ burrs: https://amzn.to/3gTaYsK As always Torque who started this channel is working for Astro Tools who's 201 and 204 air die grinders were also included in this testing, though assuming a die grinder is healthy, most 1/3HP die grinders should make around this same power. It's all about durability, gear smoothness and ergonomics after that. So while these air models make more power compared to M12 CORDLESS, they in themselves aren't unusual in that regard.