This duct clamp from GMP Tools is an essential component designed for efficient cable placement in various applications. With a precise diameter of 12.7mm, it ensures a secure grip, making it an integral accessory for cable blower systems and other related tools. Each unit is sold individually and comes with the part number 89959, underscoring its suitability for projects that require reliable and durable fastening solutions. Whether you're involved in installation or maintenance work, this duct clamp will contribute significantly to achieving a professional finish.