Data is a British-manufacturing company; most of their materials are sourced from within Britain. Founded in 1978 it is now the biggest supplier & manufacturer of snow sport waxes in Britain. Its success is based on value for your money. A Data Wax Get-a-Grip is an easy to use, affordable edging tool that is very portable so you can sharpen your edges in just a few minutes. This tool has the option of either 88° or 90° angles so that you can tune your edges for exactly what you need. Comes boxed with instructions & a 5 inch file. How To Use 1) Select the edge angle you require. 2) Orientate the Get-a-Grip with the number matching your selected angle nearest to your ski or board. 3) Hold the Get-a-Grip firmly in your dominant h&. 4) Place the guide on the edge with the plastic flush against the base. 5) Ensure the file is facing the edge so that it cuts. 6) Pull the guide towards you, running in long smooth strokes, keeping the pressure even & the plastic guide flat against the base. 7) Repeat until the edge is sharp along the whole length of the ski or board.