General description Portable 4-piece sharpening stone set designed for maintaining ski and snowboard edges. This set is ideal for removing excess burrs from the ski base and for daily sharpening tasks. Technical specifications 240 Grit (Black): For removing case hardening from rock damage. 360 Grit (Blue): For deburring steel sides on skis and snowboards or addressing minor rock damage. 500 Grit (Pink): Essential for maintaining a smooth edge and achieving a high polish shine. 1000 Grit (Green): Final polish for a mirror finish with extreme edge accuracy. Material: Diamond Package Contents 1 Set of Sharpening Stones Other information