_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 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._x000D_ 240 Grit (Black): Use for removing case hardening from rock damage._x000D_ 360 Grit (Blue): Use for deburring steel sides on skis and snowboards or for addressing minor rock damage._x000D_ 500 Grit (Pink): A must have diamond to maintain a smooth and sharp edge; starts to bring out that high polish shine._x000D_ 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._x000D_ _x000D_ Type: Sharpening Stone Set_x000D_ Colour: as shown_x000D_ Material: diamond_x000D_ _x000D_ Package Contents:_x000D_ 1 Set * Sharpening Stone_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_