J30021 Test Clip (4 mm socket) — Durable ABS test clip for reliable, fast connections Key benefits Secure, fast connections: The J30021 features a 4 mm socket design that provides stable contact with test leads and probes, reducing intermittent connections and measurement errors. Durable and flexible construction: Made from wear‑resistant ABS material that combines flexibility with long service life for repeated use. Easy identification and compatibility: Bright, distinctive color simplifies component identification; designed for broad compatibility with standard 4 mm test equipment and leads. Saves time and improves workflow: A dependable clip reduces setup time and troubleshooting, making routine testing and repairs more efficient. Important features Model: J30021 Socket size: 4 mm, optimized for common test leads and probes Material: Flexible, wear‑resistant ABS for durability and repeated handling Visibility: High‑contrast color for quick identification in a toolkit or on a bench Performance: Stable mechanical and electrical contact across a range of devices How it solves problems Eliminates intermittent contacts common with poor clips by providing a secure 4 mm connection. Reduces wear and breakage thanks to the flexible, abrasion‑resistant ABS housing. Speeds up testing and repairs by being easy to attach and identify among other tools. Typical applications Laboratory testing: Use the J30021 for bench measurements, signal verification and component testing where reliable, repeatable connections are required. Electronics repair and prototyping: Attach to leads and probes for troubleshooting PCBs, modules, and connectors during repair and development work. Education and DIY projects: Ideal for classroom labs, training sessions, and hobbyist electronics where durable, easy‑to‑use test accessories improve learning and project throughput. What to expect A simple, robust test clip that integrates with existing 4 mm test gear. Improved measurement stability and reduced downtime from connector issues. Long service life from abrasion‑resistant ABS construction. Compatibility note Designed for standard 4 mm test leads and test equipment; confirm lead and probe sizes before use for best fit. The J30021 test clip is a practical, reliable accessory for professionals, educators, and hobbyists who need stable, repeatable connections in lab, repair, and DIY environments.