The Magnet magnetism works on all types of Screwdrivers and Allen/Hex Keys or drill bit.
Teng Tools Screwdriver Magnetizer and Demagnetizer Small Tool Keychain - MR500 Doesn't require "charging" or batteries. Works right out of the packaging The powerful rare earth magnet keeps the magnetism on your bits longer than regular magnetizers Complete with a key ring to fit on any bag, pocket, pouch or backpack A must have gadget for mechanics, electricians, for professional, Industry, Construction and DIY use.