The W.Rose Flat Slicker Jointer is a high-quality hand tool made of carbon steel, polished for a smooth finish. With a length of 10-1/2 inches, this jointer is lightweight at 0.18 kg, making it easy to use for various masonry projects. The product is manufactured by W. Rose Masonry Tools, known for producing durable and reliable concrete tools in the United States. It is important to note that this product may require additional safety measures due to its use in the construction industry, as indicated by the California Prop 65 Warning.