Compatibility: Designed to fit most indicators, the set features M2.5 threads which are standardized for seamless connectivity. perfect both professional and hobbyist use, the extension rods help extend the reach of your gauge tools in intricate measurements. Extended Functionality: Each rod facilitates an extended reach of up to a total of 315mm, accompanied by 5mm spacing lengths. This distance ensures that you can maintain the setup of your indicator or gauge while accurate readings in otherwise unreachable spots. Versatile Measurements: The set includes six extension rods ranging from 10mm to 100mm, allowing users to achieve diverse depth measurements in a variety of settings. Customize the effective length by combining various rods without the inconvenience of relocating your device. User-friendly Design: Not only are these rods simple to assemble, but they also provide a firm grasp ensuring that they stay in place during measurements. The construction excludes the thread shank in length considerations, optimizing available measurement extensions. Comprehensive Set: This package is equipped with 6 lengths: 10mm, 20mm, 40mm, 60mm, 80mm, 100mm. Each extension rod is crafted with a 5mm diameter, supplying users with a robust toolset for precise adjustment in varying depth gauges and indicators., Weight: 0.90830451944 pounds, Manufacturer: Kueohse