I wanted to throw out the saw. After a lot of F-wood with warped blades and wooden handlebars that are too thin. I finished. But I noticed that the rollers on the rails are not adjustable. The blades I had were too thin in rolls. .014 etc. Then I found this. .025 with a width of 1/2 inch, teeth clean rollers and fit snugly both top and bottom. Sufficiently wide cut. By hand the blade does not rotate in the rollers, they hold and hook the blade properly. Bearings cleaned and greased. Just like a