These screw extractor bits have sharp ridges that bite into the stub ends of broken-off screws or bolts. With luck you can extract them that way, though you have to ask yourself why the head broke off in the first place. You may just succeed in breaking the screw farther down.
Location: Box 16
Have you used this tool? Think my description is all wrong? Have a better example? Comment now with any thoughts you have about this tool!
