Benefits - Prolonged use: built for long-term durability to withstand regular handling during window film projects. - Smooths rough edges and burrs: eliminates the rough edges and burrs that can form on hard cards over time. - Clears invisible burrs and improves mounting: removes hidden burrs and helps maximize window film mounting efficiency. - Reduces the risk of scratching: minimizes the chance of scratching the window film during handling and installation. Use scenarios - Automotive window film installation: useful during tinting projects to maintain edge quality and protect the film surface. - Home or office window film applications: helps achieve clean edges and efficient coverage when applying films to glass. - Tool maintenance and longevity: helps extend the life of installation tools by reducing edge wear and tear. Specifications and attributes - Function: smoothing and burr removal; edge protection; film-surface protection. - Compatibility: designed for standard window film installation workflows and tools. - Size: not specified in current listing. - Material: not specified. - Performance: engineered for long-term durability and repeated use.