Amprobe MTL-90B PVC Test Leads Test lead set connects a compatible electrical test meter to a device for testing Set includes two 48" lead wires with standard probe tips and two alligator clips 2.67" alligator clips have 0.30" jaw opening and teeth that grip the conductor to provide a more secure, hands-free connection than probe tips Meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for category III installations up to 1,000V