Banana Jack: The back of the battery clip accepts a 4mm banana plug for electronic lab work and electrical projects. Safety material: PA insulating sheath, nickel-plated steel with clip teeth, rear banana socket is made of brass, safe and reliable. Ease of use: The clips are curved on the top and bottom of the press, which is easy to use and has a strong grip, and is mostly used as a wire test clip. Simple installation: 600V-1000V/10A insulation test clips, 20mm opening size, insert banana plugs to connect to the corresponding equipment to use.Multipurpose: Can be used for electrical projects, voltage testers, replacing existing clips on battery chargers that jump start cables, cars, trucks, and more.Quantity: (2 pcs) Multimeter Alligator Clips' other products not includedSize: about 98*15mm (for reference only)Color: black redNote, because there may be color and size difference between the light effect photo and the actual product, please allow 1-2 cm error