Features: Specifically designed for milling and inspecting bottom brackets, this tool is ideal for repairing damaged or shallow threads. It helps restores thread depth and enhances the overall functionality of bottom brackets. Make of stainless steel and carbon steel, strong and wear-resistant, maintaining tool integrity and functionality in a variety of environments. Easy to Use: For great practices while tapping with our bikes bottom bracket tapping tools, apply cutting oil to eliminate any resistant, maintain alignment, and reduce drag. Features an antislip handle design that is both practical and visually appealing. This design ensuring a comfortable grip for easy use and enhanced control. Our bottom bracket tapping tools ensuring accurate and efficient results with customized high accuracy tap sizes for various bottom bracket standards. Specifications: Component: Stainless Steel and Carbon Steel Rod Length: about 24cm/9.45inch Package Includes: 1pc Bicycles Bottom Bracket Thread Tapping Tool note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.