FIRSTINFO 4 in 1 Drill Chuck Key Professional Master Chuck Key for Tightening and Loosening Chuck for Most Drills. Work perfectly on 4 sizes of salient point of chuck: Ø 7mm, 5.5mm, 6mm, 5.8mm. - 【Universal Usage】 The 4 chuck key sizes cover most of the popular chucks available.
After Dad died I finally got a couple of my father’s tools but no key to the drill after buying a bunch of four way keys this one works great for the drill press! After I have looked for years I got a key that I can use!