American style slot wall rail 1.factory price and good quality 2.Thickness: 1.5mm-2.5mm 3.easy to install American style slot wall railSize: 640, 960, 1280, 1600, 1920MMFinishing: powder coating or zinc platedColor: white, brown, black, blue, redThickness: 1.5mm-2.5mm iron wall bumper railing designs