20Pcs Hex Head Allen Wrench Drill Bit Set, Magnetic Screwdriver Bits with 1/4" H

Wide Tool Compatibility – Designed with a 1/4" hex shank quick release, these bits fit electric screwdrivers, hand screwdrivers, cordless drills, air drills, and other power tools. Complete SAE Sizes – Includes 10pcs SAE hex drill bits: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", covering a wide range of fastening needs.

eBay