The TL221 SureGrip Test Lead Extension Set is an accessory designed to extend the reach and functionality of Fluke multimeter test leads. This extension set features SureGrip technology, which provides secure and reliable connections for test measurements. The product is engineered to maintain electrical integrity while extending the working distance of standard test leads, making it suitable for applications where additional reach is required. The TL221 is commonly used in field service, maintenance, and troubleshooting scenarios where technicians need to access measurement points that are difficult to reach with standard leads.