Kutzall Contour Wheels – Unlock the Versatility of Your Ordinary Rotary Tools Kutzall Contour Wheels are designed to work easily and efficiently where other conventional tools fail. With effortless operation (with or against the grain), remarkable durability, and resistance to loading, you'll use them project after project. Their outstanding performance on a wide variety of materials will keep them locked in your favorite grinder. Whether you're working with wood, plastic, drywall, rubber, fiberglass, or soft stone, they will be your go-to workhorse for any task. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.