Wood File - Clamps over the end of the guide bar during sharpening, designed for use with chainsaw sharpening setups for wood processing. Chainsaw File - Rasps teeth for rough shaping of wood, leather, metal, and plastics; included as part of a chainsaw sharpener set. Chainsaw Sharpener Tool - Made from durable material for long lasting use; compatible with woodworking files in the set. Chainsaw Sharpener Kit - Contains multiple types of files; you can select the file you need for convenient operation; chainsaw file tool for easy maintenance. Use scenarios - Scenario 1: Prepare a chainsaw for wood cutting in a workshop by sharpening with the wood file clamped to the guide bar, selecting the appropriate file from the kit for consistent results. - Scenario 2: Rough shape materials such as wood, leather, metal, or plastics using the chainsaw file to quickly form edges and contours for DIY projects. - Scenario 3: Regular maintenance and edge preparation by using the variety of files in the kit to extend tool life and ensure smooth operation across different materials.