I backed into my garage door and knocked it off track. It was darned hot and I had to be somewhere very soon - but I was stuck. I started to try to fix it myself, but noted that the cable that my brace was attached to was under quite a bit of tension. I didn't want to make a bad situation worse, so I called On Track. Ron, the owner, showed up within an hour and was super efficient, friendly and helpful. Not only did he fix my mess, but he lubricated both doors so that they'd be ready to go for another year or more. I would definitely use them again.