Last weekend my bride gifted me an earth auger, https://www.harborfreight.com/gas-powered-earth-auger-56257.html?_br_psugg_q=earth+auger
If you follow that link, you will see that it clearly states that 25:1 2-cycle oil is required. That being said, I mixed up a 1/2 gallon batch of 25:1 fuel...