With 50 percent more harness ports, alleviates the need for multiple boxes, while allowing for the addition of more harness systems and increased lighting needs. Clear lid offers easy viewing of connections without having to remove lid, saving time when trying to identify lighting system problems. Dual ''Dogbone'' ground strap feature allows 4 terminals to be common, replacing the need for multiple junction boxes, offering additional cost savings. Made of high impact, chemical resistant, approved insulating plastic providing a long service life and eliminating the time and money needed for repair and replacement. Materials: Grey ABS Plastic Box Clear Polycarbonate Lid 12 Ports 16 Terminal Studs with 4 common grounds Kit Includes: 1 - Grey ABS junction box 1 - Clear Polycarbonate lid w/ screws 1 - Terminal block with hardware 1 - Ground strap 1 - Dual ground strap 6 - 50830 Filler plugs 6 - Filler plug O-Rings