The 100A Kelvin Clamp is designed for use with any electrical test instrument†. Connect to a multimeter using safety banana leads and built in banana posts or upgrade hard-wired lead sets by removing the dust cover to expose a 100A stud and flying potential lead. The expandable metal jaw provides unparalleled versatility, allowing for connection to any size test specimen. With a limited lifetime warranty, this shatterproof plastic clamp is built to last!