Keysight technologies u1161a multimeter test leads set keysight technologies u1161a this multimeter test leads set is suitable for use with handheld digital multimeters from the keysight technologies u1230 u1240 u1250 and u1270 series the set includes two extension test leads one red and one black two test probes medium sized alligator clips and 4mm banana plugs keysight technologies u1161a multimeter test leads set