Amprobe MTL-45 Test Leads Set PVC test lead set connects a compatible electrical test meter to a device for testing Set includes two 48" lead wires, two standard probe tips, and two alligator clips 3.26" alligator clips have 1.30" 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 (alligator clips are certified for category III installations up to 600V)