Features and Application: More rigid and stronger then woven wire cloth, the perforated metal sheets offer maximum resistance to wear and tear. Metal Sheets are punched and perforated with different types of holes’ in various perforation patterns to suit individual application. Coarse filters and screens for seiving, straining, filtering, grading and polishing processes. Used on wall mounting. Very useful in building material viz. concrete, brick, natural stone and also in wood.