Milwaukee�s industrial test probes attach to 49-77-1003 industrial connecting test leads. Designed to withstand up to 1000 V and 10 A, this set of alligator clips used along with 49-77-1003 industrial connecting test leads and 49-77-1004 industrial test probes are ideal for measuring voltage, current and resistance of most electrical systems. Covered by 2 year warranty. Nothing but heavy duty.