This is an amp clamp that will read up to 600 amps. It really works well when trying to capture starter amp draw waveforms. It also has the banana style clips that let it connect to any labscope.
OTC 3500-01A Inductive Current Clamp, 600AMP, for Digital Multimeters
Eliminates the need to break the circuit and install a shunt; simply clamp around the cable or wire under test. 2-600 amps AC/DC. Use with your multimeter.