The Chrome Plastic Open Back Base for Mini Sealed Lights is a practical and versatile option for your vehicle lighting needs. With its chrome finish and durable plastic housing, this base is designed to fit most makes and models. The open back design makes installation a breeze, and at 2.87 inches wide by 1.5 inches tall by .5 inches deep, it's a compact and convenient choice. Sold individually, this base is a reliable and cost-effective solution for upgrading your vehicle's lighting system.