Abstract: This invention relates to improvements in masons line holders. Many various types of line holders has been offered to masons for use. The present invention is simple in construction, effective and efficient in the purpose deviced.The primary object and aim is to provide a line holder which will incorporate low-cost of manufacturing and simplicity in its anchorage. Specifically the invented holder consists of one-piece wire-like body member bent in a U-shape, with two parallel sides and base; a loop is formed between each side and the base to receive the masons guide-line. The said line holder is designed to be anchored in place by inserting one of its sides in a course of soft mortar between layers of masonry and the tension of the guide-line between the same and similar holder at the other end of the line.A further object is to provide a holder which can be anchored on the outside, as well inside corners of masonry and makes possible for the mason to work from the outside or inside building.