The KUKKO QUALITY TOOLS INC Quick-Action Collets (model 431-012) offer a 300 mm size, perfect for rapid clamping and release in various applications. These collets are crafted from high-grade materials, ensuring durability and precision. Designed for use with KANT-TWIST systems, they provide a secure grip on workpieces, enhancing efficiency in machining and assembly tasks. The quick-action mechanism allows for swift adjustments, making them ideal for both professional and DIY projects. With compliance to industry standards, these collets are a reliable choice for any workshop.