Check the listing for details. 40 Pcs 8.5mm Spring Test Probe Pin, Gold Plated Spring Loaded Thimble Pins. Condition: New. Listed at 14.96 USD. What is this?Gold-plated spring probes are designed for high-frequency testing and precision connections in electronic devices. Suitable for circuit board signal testing, battery connections, and modular interfaces, these spring probes are widely used in mobile communications, automotive electronics, and aerospace.What will I get?Color: Gold;Material: Gold-plated brass;Head type: Round;Total length: 8.5mm;Stroke: 2mm;Needle outer diameter: 0.9mm;Needle tube outer diameter: 1.5mm;Package Contents: 40 Pcs Spring Test Probe PinIs there any advantages of the product?The probe uses a gold-plated brass core, which has excellent conductivity and wear resistance. It is lightweight, small in size, and easy to carry; it has good contact, is durable, and has a long service life.