Features: The top of the screw printed with clear color name for easy identification. Perfect for wiring your trailer, camper, caravans, boat, and other traction vehicles. Stable 7-port trailer junction box with 7 terminal bolts for quick and easy wiring to keep your trailer wired in order. Upgrade Trailer Connection - Quickly add additional lights and accessories, upgrade old trailer wiring, enable rewiring, troubleshooting and solve electrical problems. Tight seal protection - Depending on your wiring needs,4 open and close rubber cable rings are available to make the entire junction box waterproof, dustproof and corrosion resistant. The durable plastic cover seals better against moisture and dust. Specifications: Material: ABS Size: Approx. ‎8.39x3.7x2.76cm/3.30x1.46x1.09in Package Includes: 1Set Connection Box note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.