Diablo 12 pc SPEEDemon Spade bit set – $14.99

12 bits: 1/4", 3/8", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 1", 1-1/8" and 1-1/4"
Self feed and impact rated.
https://www.amazon.com/dp/B089KX9BV9?