Metal transition strips are mainly used on carpets. Metal transition strips must be specially used for smooth connection and transition between carpets of different thicknesses. For example, airport boarding aisles, common passages of large buildings, etc. If carpeting is used, high and low metal transition strips are generally used; large-area indoor carpets are used, and carpets and carpets are generally used at the junctions of carpets and carpets. To protect the edge of the carpet from being kicked at will, or to prevent the rug from falling over pedestrians.