3 Test Leads connected to Low-Leakage Probes (red, black, green) 3 Alligator Clips (red, black, green) Maximum Jaw Opening: 26 mm (1 in.) Replacement Test Lead Set for the Fluke 1550B MegOhmMeter Length (Lead Only): 2.6 m (8.6 feet) Cat II 1000 V, Cat III 600 V, 5kV DC Max (Probes) Cat II 1000 V, Cat III 600 V, 20 amps (Alligator Clips) 
