Demco Base Plate, Demco believes base plates should be accessible, but not visible. Their base plates are designed specifically to respect the beauty and design of your vehicle. They won't protrude out, hang below or rise above your bumper or grill. Bolts permanently to the chassis of the towed vehicle and provides a secure, reliable attachment point for all Demco Tow Bars. Hook-up to a Demco baseplate is easy. Two attaching pins with quick pins and two coiled safety cables with safety hook retainers.