Sharper Blades, Smoother Cuts: Say goodbye to dull blades! 370W powerful circular saw blade sharpener, running at 3600RPM high speed, efficiently sharpens your saw blades to their former sharpness, leaving them razor-sharp, resilient, and burr-free. Easy Adjustment for Precision Sharpening: Our rotary angle mill grinder's grinding wheel can be effortlessly adjusted up and down by 20°. You can also turn the handle 30° from the left, and 45° from the right, ensuring that the circular saw blade remains level for precise sharpening. Versatile & Ready for Demands: With 6 different-sized saw centerings, our saw blade sharpener machine can effortlessly tackle 3.15' to 27.5' circular saw blades. Whether for unconventional saw blades, dense or loose teeth, left and right teeth with scraper, or saw blade with scraper, it is up to the task