The Omnigrid 60 mm rotary blade is used with the Omnigrid 60 mm rotary cutter for cutting materials for quilting, sewing, DIY home decorating and crafting projects - it will cut fabric, paper, leather, vinyl, mat board and foam core in any direction. Always use a rotary cutting mat to protect not only your surface, but your blade. For best results, use with the Omnigrid 60 mm rotary cutter; can be used with most other 60 mm rotary cutters.