Lisle 60660 Deluxe Relay Test Set Jumpers have tabs for clamping and flat pads to place test leads on Also includes test lead kit for easily and securely connecting relay test jumpers to a multimeter No need to pierce wires or connect multiple jumper wires Jumper wire may be used between common and open to close the relay circuit for testing and has a test port to easily check voltage Also provides access for a clamp-on ampere meter