Yikes... That'd be ordinary plate glass I guess? Car glass just usually kind of cubes up when you break it..If you do happen to use one to break glass, make sure you are wearing some stout gloves, I didn't and got 8 stitches
I like them for marking while I hold pieces together, but often pieces move before I get the dab done especially with the one I have that doesn't always work .I like the auto to get the accurate dot then blast the dot again with a punch n hammer
Mis guided youth perhaps?Auto one, good fer discreetly breakin' car windows (aparrently )
Think I'll order one of them. Thanks for suggestion.
I was going to link it but reviews are poor. Also note its sold by RDG.