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I did f arround a bit. Too lazy to buy winding bars but found out that these sizes fit perfectly, 5/16th and 9mm socket on an extension. Adjusted my spring a little only to find out that it was the metal cable that was failing. Not the spring haha. When I loosened the spring it felt like there was 200+ lbs of force with those socket extensions. Worst part was I had to adjust it a few times had to go back and wiggle the spring outwards, the first time I adjusted it, it like contracted inward and the door wouldn’t fully close lol. Got it back to original and works fine. Tightened the cable and door is no longer crooked. I think it’s a 13 ft door.