TGK-01 and TGK-02 bundle includes three essential tools for identifying and measuring threaded objects in various industries. The first tool is the TGK-01 plastic thread ID kit, which is designed to help identify British and metric threads. The kit includes a range of thread pitch gauges with different thread sizes and pitches, allowing you to accurately determine the pitch and diameter of both internal and external threads. The second tool in the bundle is the TGK-02 plastic thread ID kit, which is designed to help identify JIC, NPT, ORB, and ORFS threads. This kit includes a range of thread pitch gauges that can be used to measure the pitch and diameter of both male and female threads, ensuring that you can accurately identify a wide range of fluid ports and connectors. Finally, the bundle includes the ID-GUIDE, a comprehensive guide that explains how to identify fluid ports and connectors. This guide provides detailed information on the different types of connectors, threads, and fittings used in fluid systems, along with illustrations and diagrams that help you identify them quickly and easily.