Description: Reliable Material: Snowboard Gummy Stone is made from rubber material, can effectively removes rust and burrs Fine to Coarse Optinal: The 60 grits soft red rubber abrasive stone is suitable for removing rust and burrs 120 Grit medium gray rubber abrasive stone is ideal polishing light to medium edges clean up and light polishing 150 Grit hard blue rubber abrasive stone is good for removing micro-burrs on the surface. Small Size: The Snowboard Gummy Stone sizes are 5x4x2 cm, lightweight and portable, easy carry and store Package Includes: 1 piece snowboard ski stone(Optional: 60 grits or 120 grit, or 150 grit), choose according to your need Versatile Use: Besides being great snowboard tuning tool for ski board maintenance, this Rubber Grinding Block can also be used for handcrafts or other items requiring delicate sanding or polishing tasks Specification: Material: Rubber Size Chart:60 Grits Soft Red Rubber Abrasive Stone: 5cmx4cmx2cm or 1.97 inchx1.57 inchx0.79 inch Package Includes: 1 Piece Rubber Gummy Grinding Stone (As you choose) Note: Please allow slightly errors 1-2cm differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.