A Warning.
I'm gonna give you all a little warning:
Never try to put together 48" x 76" heavy duty stretcher bars by yourself. It won't work.
Beyond that: Never try to stretch canvas this size by yourself, especially if the bars are not together all the way.
It also does not help if you are 5'3'' or shorter.
Please do not attempt to try these things yourself. I have tried them and please believe me when I say it just doesn't work. You will only waste 3 hours of your life to have to start over again. With your mother. At 6.20 AM. The next morning. And who knows if that will even work.
Never try to put together 48" x 76" heavy duty stretcher bars by yourself. It won't work.
Beyond that: Never try to stretch canvas this size by yourself, especially if the bars are not together all the way.
It also does not help if you are 5'3'' or shorter.
Please do not attempt to try these things yourself. I have tried them and please believe me when I say it just doesn't work. You will only waste 3 hours of your life to have to start over again. With your mother. At 6.20 AM. The next morning. And who knows if that will even work.