Hancock's Triangle Tailors Chalk is a marking tool used in dressmaking and sewing crafts. Made in the United Kingdom, this square/triangle shaped chalk is ideal for precise marking on soft furnishings and fabric. The chalk easily rubs away, making it easy to correct mistakes during the creative process. Perfect for seamstresses and craft enthusiasts, this high-quality marking tool from Hancock's is a must-have for any tailor or designer.