Description Features: This p of test tools can easily punch the power cord. With special spring design machanism, it is easy to use. With 4mm socket, it is convenient to connect with the test probe multimeter. Widely applied for vehicle maintenance, test electrical or industrial test. It is convenient to connect with the test probe multimeter. Specifications: Material: Polyamide+Brass Finish: Nickel-plated Color: Red, Black Length: about 105mm/4.13 Pin for head Diameter: 4mm/0.16 Hole Diameter Plug: 4mm/0.16 Quantity: 2 Pcs/1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Includes: 2 x Testing Probe