Thin is in! AutoLoc's™ SlimLine Ultra-Thin Vertical Door System is a revolution in Lambo/Upright Door engineering. Featuring AutoLoc's™ famous heavy-duty anti-wobble construction and smooth swing movement, the SlimLine is only 2" thick with a swing arm that is only 1/2" thick! Its reduced size makes it a perfect fit for imports, roadsters, and other vehicles that have limited fender room and clearance. The UDSTD kit comes with all necessary hardware, linear actuators for automated movement. detailed instructions, full tech support, and a Limited Lifetime Warranty.