Welcome to our store! 1. Good Conductivity: The test lead kit with rear probe has excellent conductivity, helping instruments and equipment read quickly and accurately. 2. Strong Practicality: A complete set of special test accessories to meet various test requirements. 3. Excellent Material: The test lead kit with banana plug is made of PVC, copper, and PA, is durable and not easy to damage. 4. Size Parameters: The size of the connector in the rear probe test kit is 4 mm and the size of the socket is 4 mm, which is very practical. 5. Wide Application: Professional electronic test kits can be used in physics laboratories, service workshops, schools, homes, and industries. Item Type: Test Lead Kit with Banana Plug Material: PVC, copper, PA Connector size: Approx. 4 mm / 0.16 in Socket size: Approx. 4 mm / 0.16 in 5 x Test Clip Connection Cable (Red, Black, Yellow, Blue, Green) 5 x Puncture Probe with Shell (Red, Black, Yellow, Blue, Green) 5 x 4mm Test Clips (Red, Black, Yellow, Blue, Green) 5 x Long Puncture Probe (Red, Black, Yellow, Blue, Green) 2 x 4mm Banana Connectors (Red, Black) 2 x Short Puncture Probe (Red, Black) 1 x Plastic Box If you find any product problems after receiving the goods, such as damage and incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.