Retractable design: This car multimeter connection accessory includes a convenient retractable wire reel that extends to 3, 6, or 9 meters and automatically retracts when not in use. This helps prevent tangled wires and saves storage space in your toolbox. The smooth retraction mechanism allows easy extension and retraction to support efficient automotive diagnostics. construction: Made of long lasting plastic material, this test wire reel is designed to withstand frequent use in automotive environments. The robust construction ensures reliable performance during various electrical testing tasks, and the spool is thoughtfully designed to protect the internal wiring from damage and wear. Versatile connectivity: Equipped with three cable connection ports on both sides, this extension test wire reel provides multiple connection options for your automotive diagnostic tools. The included clips securely attach to various test points, making it suitable for a wide range of vehicle electrical system testing and troubleshooting tasks. Portable solution: The compact round plate design measures 152 mm in diameter for the standard model and 175 mm for the 6M and 9M models, making the reel easy to carry in your tool bag or workshop. Take it anywhere you need to perform electrical diagnostics without dealing with loose, tangled wires. Use scenarios In the engine bay or under the vehicle hood, extend the reel to reach battery terminals, relays, or harness points while keeping wires organized and out of the way. On a workbench, connect the clips to testing points around the circuit, use the extended reach to space your multimeter and accessories, and retract when finished. On site or roadside diagnostics, quickly deploy the reel to access electrical connections, then compactly store it in your bag once testing is complete.