Model 5916B Medium Alligator Clip with Flex Boot for 4mm Banana Plugs Features •Redesigned to meet IEC 61010-031, the latest international safety standard for test accessories. •Medium alligator jaw grips onto test terminal up to 0.3" (7.6mm) O.D. •Flexible thermoplastic boot offers insulation protection. •Alligator clip features a 4mm sheathed safety jack which interfaces to Pomona’s Models 5907A, 5908A and 5909A Flexible Test Leads, or any test leads with 4mm sheathed connectors.