Portable Chainsaw Teeth Sharpener, Universal Chain Saw Blade Fast Working Fitment: Saw chain sharpener fit 14/ 16/ 18/ 20 inches 2 holes chain saw bar. Except for Ryobi 16" and 19" chainsaw, for Homelite 18" chainsaw, for Echo 16" chainsaw. Dimensions: 8.7x 5.5x 1.1 inches, total length approx. 9 inches. Fast sharpening stone grinder tools is lightweight and portable for outdoor use. This precision saw chain sharpener system will sharpen your dull chain in just 3-5 seconds. Package Includes: 1x portable chainsaw sharpener, 5x grindstones, 1x spark plugs, 1x pull rope. Grinding stone can perfectly replace lost parts, keep oil on chains and guides, reduce friction and extend service life. Feature: Chain saw blade sharpener is made of premium ABS plastic, has 2 pins to hold the chainsaw bar in place. The second pin is adjustable. The distance between these 2 pins (holes) is approximately 0.7-1.3 inches. Notice: Please check the picture and model carefully before ordering. If you have any questions, contact us by email and we will reply you within 24 hours.