PACKAGE INCLUDE: In this set, include 6PCS black alligator clips, 6PCS red alligator clips and a tailor-made box. If you have any questions about our products, please feel free to contact us, we will response within 24 hours.WIDE RANGE OF APPLICATIONS: Our alligator clips are widely used for various electrical projects, voltage tester, suitable for all car and truck Batteries. And can also be used to replace home garage battery chargers and similar applications (Solar panel, electric fence, camper, trucks, boats, lawn mower, etc.)USE SAFETY: 50A rated current. The spring made of high-quality metal can withstand greater pressure, and the rubber wrapped on the alligator clip can help prevent the risk of electric shock when operating electronic products, and it is safer to use.RUGGED AND DURABLE: These heavy-duty clamps are easy to open, and the spring clamp has a strong bite force and will not fall off once clamped. The probe is sturdy and durable and can be used to repair broken wires on test equipment and chargers or make your own low-voltage jumper wires.MATERIAL AND SIZE: Copper-plated metal and rubber. The metal clip with red or black rubber, which can help you to identify positive and negative charge. The size of copper-plated metal clip is 75 x 49 x 13mm / 3" x 1.9" x 0.5" (L*W*T); Jaw Open Width: 25mm / 0.98" Single Weight: 12g