3M Scotchlok Electrical Insulation Displacement Connector, 560B, 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 features a maximum insulation O.Ddiameter of 0.145 inches (3.68 mm) and an operating temperature of 194 degrees Fahrenheit (90 degrees Celsius)The suggested application tool for the 3M Scotchlok Electrical Insulation Displacement Connector, 560B, is the 3M Scotchlok Crimping Tool, E-9BM. Product Information Brand 3M Part # 7000005878 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