These Ozark Trail Battery Clips can replace existing clips on battery chargers of jump start cables. High quality metal spring can withstand the pressure required for a tight grip on your battery. Easy and safe to use, these clips will help you get your boat, car, motorcycle, and any other large battery back up and running again when in need. Clips are classically color coded with one red plastic coated handle, another black coated handle, and silver tone metal alligator clamp. The red and black insulated coatings allow for safe operation despite being used for electrical purposes. Ideal for boats, cars, vehicles, automobiles, etc. It's also great for those working in electronic labs and doing other electrical projects. Ideal for Battery chargers (Solar panel, electric fence, etc.)