Patented TwistGuard® extendable tip shroud meets the highest electrical safety requirements to reduce tip exposure while providing the versatility needed for most measurementsNew WearGuard lead wire wear indication, each test lead is covered by two layers of silicone insulation; inner contrasting color is exposed when the leads are nicked, scuffed, or otherwise damaged and in need of replacementDouble insulated silicone leads, withstands high temperatures and remain flexible in cold temperaturesExtra heavy duty strain relief on both probe-end and plug-end, tested beyond 30000 bends without failureUniversal input plugs are compatible with all instruments that accept standard 4 mm shrouded banana plugsProbes always show correct category rating for tip being usedIncludes removable 4 mm lantern tips that thread onto the lead tipPollution degree 219 to 4 mm exposed probe tip length2000 m altitudeDouble insulated silicone insulation