Incredible wire range (2 #18 up to 5 #12). One connector replaces 3 (yellow, red and tan) in the majority of all field applications. Smooth, comfortable feel. Compact size and red miniskirt. Quick bite spring design. Comfortable wing design for a better grip. Can be installed with 3M™ WCD-P Wire Connector Drivers. Use a 3M™ Wire Connector T/R+ to electrically connect two or more conductor ends in a pigtail application and insulate the connection.