This Techniks Shrink Fit Tool Holder Adapter 39306B is the perfect addition to any CNC, metalworking, or manufacturing setup. With a nose diameter of 1-3/4 inches, it is compatible with a variety of tooling options. The unit quantity is one, and the unit type is measured in pounds. The brand is Techniks, a reliable and trusted name in the industry, and the manufacturer part number is 39306B. This tool holder is a great choice for those looking for a high-quality and durable option to hold their tools securely and efficiently. It is listed under the "Other Toolholding" category, but it can also be used in a variety of other toolholding applications.