Features: PA shell, the main copper and stainless steel nickel-plated, ensure stable performance. Incisive pierce hook, can easily pierce the thin skin power cable. With special spring mechanism design, it is easy to use. 4mm socket, convenient to connect with banana multimeter test probe. Widely used for vehicle maintena nce, electrical test or industrial test. Specification: Material: Copper, PA, Stainless steel Surface Treatment: Nickel plating Current Voltage: 1000V/10A Connection Mode: Adapter Color: Red + Yellow, Black Quantity: 2pcs Total Length: Approx. 16.3cm/6.4inch Width: Approx. 4.3cm/1.7inch Weight: Approx. 50g / 1.8oz Package List: 2pcs x Quick Piercing Test Needle . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.