Package Set: This set includes 29 pieces of tapping tools that are suitable for various thread types. Each tool is marked on the case for easy selection.

Quality: The tools are made from high-speed steel and coated with titanium nitride for extra strength. They're brand new and made to last.

Design: The tools have a unique 135-degree split point and twist design. This helps them cut faster, remain centered, and easily remove chips and debris.

Use: These tools can be used with different materials, including carbon steel, steel, copper, and aluminum magnesium alloy. They're reliable and easy to use.

Usage: Use these tools with a power drill to drill, tap, and countersink in one step. This saves time and effort, while still giving you precise results.