name:damping inner sliding door fittings rail common length:2m and 3m for door thickness:max 22mm name:damping inner sliding door fittingsmaterail:steel sliding door fittings and aluminum railrail length:2m and 3mfor door thickness :max 22mmdoor weight:max 40kgMin.clearance between the two doors:16.5mmIf you want know much more information,please sign in our website:www.szmlw.com damping inner ...