2X(Portable 4pcs Sharpening stone set, great for Remove the excess burr from the ski base, use for a day to day sharpening of your ski or your snowboard.
240 Grit (Black): Use for removing case hardening from rock damage.
360 Grit (Blue): Use for deburring steel sides on skis and snowboards or for addressing minor rock damage.
500 Grit (Pink): A must have diamond to maintain a smooth and sharp edge; starts to bring out that high polish shine.
1000 Grit (Green): Final diamond polish when looking for that mirror finish; extremely exact edge accuracy; used on alpine and snowboard skis to achieve that super smooth finish.

Type: Sharpening Stone Set
Colour: as shown
Material: diamond

Package Contents:
1 Set * Sharpening Stone)