As I did say I do have a pair but I never installed them. I did take a measurement they are the same size . That's as far as I got . They been sitting in the garage. Maybe they fit only a double wall or single wall I just don't know . I do know I have seen several 69-72 Blazers online and on this site with this style window. Just don't know what's all involved in installing them . I think I would just go to safe-lite auto glass and ask
