Sworker carbide burr set includes 10 tools with 1/4-inch shanks. These universal burrs are suitable for a wide range of tasks such as engraving, grinding, deburring, milling, chamfering, contouring, and more. They can be used on various materials including stone, metal, wood, and plastic. Each burr has a unique head shape designed for specific applications. The tools are sharply honed, well-balanced, and compatible with both pneumatic and electric rotary tools. For convenient storage, the set comes in a labeled plastic case.