Safe to Use - Electrical 314 can withstand voltages up to 600V and capable of connecting 14 - 22 AWG wires. Easy to Use - Insert the wires into the electrical connector. The squeeze the blue cap by a crimping tool. ( Just squeeze - NO peeling or twisting) Application - It can be connected to 2 or 3 wires. It can work with size 22 to 14 AWG solid or stranded. The product is suitable for robot lawn mowers, electric dog fences, automotive electronic equipment, and underground cable assembly. Adaptation - The product is adapted to the 314-BOX connector. You need to see if it is what you need before buying to prevent buying mistakes. size:24x23x17mm Material:plastic colour:Blue+white Package Contents: 18 * Electrical 314-BOX wire connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.