RTR Tile Hook system is designed for tile roof, high quality of aluminum and stainless steel provides the system a long period service cycle. Different types of hooks could accommodate different tile roof types. Especially F tiles, S tiles and W tiles are the most common flat and curved tile series. Except the main components rails, hook, universal clamp, this system also provide many optional parts, like cable clip, microinverter racking kit, bonding jumper and so on. The universal panel clamp can be used as a mid clamp or end clamp, it fits panel with thickness from 30mm to 40mm.