Features: - Brand new and high quality - Made of high quality materials, durable - This pair of test tools can easily puncture the power cord. - With 4mm socket, it is convenient to connect the multimeter test probe. -Widely used in car repair, electrical testing or industrial research. -Practical tool for vehicle maintenance, electrical testing or industrial testing. Easy connection using a multimeter measurement probe. Specification: - Color: Red x 1, Black x 1 - Length: about 128mm - Needle diameter: 2mm - Plug hole diameter: 4mm - Material: polyamide + brass + stainless steel - Surface treatment: nickel plating - Quantity: 2 pcs Package includes: 2 * Test Probe Heads Notes: 1. Due to various factors such as display brightness and light brightness, the actual product color may be slightly different from the website image. 2. Please allow a slight deviation between the data and manual measurement.