弹簧螺式接头

·Extruded PVC fire-resistance
materials.
·Inner assembled with spring square
steel wires.
·Easy for wire entrance and
eliminates wire strands hang up.
·材质：PVC防火材质
·用法：连接电线，内附弹簧，放置时弹
簧夹紧电线，不易脱落。