ITEM NAME:100pcs UR K3 Wire Connector Telephone line Terminal Dual Blade For Three Wire M& Type: K3 dual Blade Applicability : To Connect two Telephone Wires, Data Signal Cables, and Other Conductors. Suitable Wire Diameter: 0.4mm-0.9mm Material: Plastic Casing, Gel Filled Inside Color: Red For cables 0.4-0.9mm Insulation:2.08mm Standard Connector / Crimper Gel Filled to protect from moisture Great for joining telephone / telecom wires Joins 3 wires with these ones Very easy to use.Type: K3 dual Blade. Standard Connector / Crimper. For cables 0.4-0.9mm.