Suitable for various applications including electrical control, power supply, lighting, home appliances, and machinery. Equipped with M3 screw mounting holes for easy installation and secure wiring. Transparent cover allows for easy inspection of wire length and connection integrity. Made from flame retardant nylon PA66 and polycarbonate PC, ensuring durability and safety. Resistant to aging and corrosion, reducing potential safety hazards and enhancing longevity. The electrical wire connectors can be applied for building wiring, ships, automatic doors, sockets, chandeliers, switches, cars, loudspeakers, electrical boxes, and fan controls. The connector comes with M3 screw mounting holes. There are screw holes on both sides of the quick connector, which is convenient for fixing the wiring, simple but efficient. When you use it, you can check whether the wire length is appropriate and whether the plug-in wire is complete through the transparent cover. The shell is made of nylon PA66/polycarbonate PC, which is flame retardant and high temperature resistant, reduces potential safety hazards, resists aging and corrosion and is durable. Color: As Shown Material: PC Specification: 52PCS Package Contents: 1 box of Universal Wire Conductor Connector 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.