Designed specifically for chutes, bins, transfer points & hoppers which handle and store ne, crusher ores. When these Micro Ledges are installed in multiple rows on the sub straight they create a Dead Bed/Rock Box etc. Ore gets trapped in the ledge & you then get an ore on ore wear etc. virtually eliminating wear from the sub straight. Light weight & easily installed to conventional liners. Weld, bolt or mechanically attached install options available. Reduces the need for extra wear plate inventory on sub straight walls, providing a cost effective solution. 700BHN Domite reduces wear at the edge of the ledge.