The Motor Trend MT-CLMP Replacement Clamps are easy to use and install. The normal duty standard grade 250-AMP clamps are for top and side post batteries. The insulated handles provide comfort and (+) and (-) are marked on each clamp. They are great for replacing old or used jumper cable clamps, and fit almost all standard cables. Trust the brand you buy! Motor Trend has been the nation’s #1 automotive authority for over 60 years.