Diamond-Tip Electrical Terminal Cleaners Highly durable with mild abrasive coating Pivoting-handle design for added versatility Works for both male and female connectors on flat (spade) pin-type terminals Designed to clean and enhance electrical connections safely Reduces diagnostic guesswork Increase overall harness life Comes with a large, medium and small size cleaner for the most common electrical connectorsIncludes a premium-quality holster with magnetic clasp The 3-piece, pro series set, Diamond Grip Terminal Cleaners features three different size tips with a highly durable and abrasive coating specifically designed and custom engineered to fit and clean most male/female flat pin-type connectors. They reduce diagnostic guesswork and increase overall harness life. This set includes a large, medium and small cleaner for most connectors. Connector applications: computer modules, engine, general transmission, fan, alternator connections, radios, lights and many more.