3M Scotchlok Electrical Insulation Displacement Connector, 560, light blue, double run or tap, 18?16 AWG (solid/stranded), 14 AWG (stranded) 3M Scotchlok Electrical Insulation Displacement Connector electrically connects a (tap) wire end to a through (run) wire and insulates the connectionIt is flame retardant and is used for tape and parallel splicingThis connector has a maximum insulation O.Ddiameter of 0.145 inches (3.68 mm) and an operating temperature of 221 degrees Fahrenheit (105 degrees Celsius)The suggested application tool for this connector is the 3M Scotchlok Crimping Tool, E-9BM. Product Information Brand 3M Part # 7100166939 Line Scotchlok Origin Country USA Product InformationConnects and insulates in one stepDesigned for use with the 3M Scotchlok Crimping Tool, E-9BMFlame retardantMoisture resistantSelf-stripping