Demon's adjustable side edge tool can accept any file (steel or diamond) between 5 and 7 mm thick and up to 72 mm in length. The tool can adjust the side edge to angles of 85, 86, 87, 88, 89, 90 degrees.
The Demon Diamond stones included come in 3 grits, 240 (Black-Rough Cut), 500 (Red- Medium) and 1000 (Blue- Ultra-Fine).
Also included is a steel file and gummy stone for edge work during prep and during the final process.

The accuracy of the degree angles has been laser measured and tested. The Demon edge tool also has a unique built in file to clean off any steel scraps from the files after tuning. Built to be lightweight and very durable and backed by Demon's Quality Warranty

Files in all their grits will help you in your tuning as you sharpen, deburr and polish the edges of your ski and snowboard.