3M™ Scotchlok™ Electrical Insulation Displacement Connector electrically connects a wire end (tap) to a through (run) wire and insulates the connection. This connector is also flame retardant and is designed for tape and parallel splicing. It has a maximum insulation O.D. diameter of 0.145 inches (3.68 mm), and a tap of 0.190 inches (4.82 mm). This product also features a run and operating temperature of 221 degrees Fahrenheit (105 degrees Celsius). The suggested application tool for the 3M™ Scotchlok™ Electrical Insulation Displacement Connector, 567, is the 3M™ Scotchlok™ Crimping Tool, E-9BM.