This lot features 2 packs of 25 Markal Red-Riter refill markers, specially designed for metal layout and fabrication work. The markers measure 74 x 10 x 1mm and have a fine 1mm line width. They are ideal for use in welding and soldering tools, power tools, and general workshop equipment. The brand is Markal and the manufacturer is La-Co, with the product being made in the United States. The model number is 96019. The color of the markers is red and they are perfect for all your metal marking needs.