Selta Battery Clamp features a set of heavy-duty clamps that fit on the end of the battery charger cables that hook onto the car battery for charging. Fits most brands of battery chargers and battery load testers. You can replace your worn out clamps with these today. These heavy-duty battery clamps feature copper-plated steel connectors which provide heavy-duty durability. This set includes both, a red and a black clamp. Heavy-duty construction allows for strength and durability. Whether tuning up your ‘68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job.