This item is professional telephone wire connector. Made of , it is with . It is great for connecting wires between medium and small power lines, quickly and convenient. Insulation, safety, easy to use, just need to use a vise to complete the continuation. Features - Color: Assorted Color. - Material: Plastic. - Size: About 1.50X1.00X0.80cm/0.59X0.39X0.31in. - K2 type button type connector is single type, with double-pole connection for two-wire . The applicable wire diameter is 0.4~0.7mm, and the large insulation outer diameter is 2.08mm. Solve the problem that the cumbersome wiring operation of the screw crimping terminal. - Insulation, safety, easy to use, just need to use a vise to complete the continuation, such as with a dedicated wiring tongs, the effect is better and faster. - Gel-filled inside design an air-tight environment for conductors. Applicability to low voltage alarm or phone installations. Connect data cables, two telephone wires ,and other conductors. - Easy to install, just insert the wire end into the hole of the terminal directly by pressing or spinning. list: 200 x Terminals