Check the listing for details. Criterion Special Boring Tool 25-4001-464-00 Rev D. Color: Blue, Condition: New, Made in Not Specified. Listed at 181.99 USD. The Criterion Machine Works Special Boring Tool, model 25-4001-464-00, is a precision-engineered industrial tool designed for high-accuracy boring operations. Key features include its specialized design for specific boring tasks, ensuring precision and efficiency in machining processes. The tool is in excellent physical condition, showing minimal signs of use, which indicates it has been well-maintained. Specifications include a robust construction with a combination of steel and carbide materials, ensuring durability and longevity. The tool is housed in its original blue protective case, labeled with the manufacturer's details and model number, providing additional protection and easy identification.