NTF 210/3 leathercraft threads in 3000 m spools are three-ply, exceptionally strong polyester threads designed for sewing leather, eco-leather, upholstery, footwear, and technical fabrics. Made from continuous filaments with a smooth surface, they offer high resistance to breaking, abrasion, and chemical agents. Their colors remain vivid and do not fade when exposed to light or washing. The stable twist ensures neat, strong seams without puckering the fabric. Available in 9 universal colors, they are perfect for manufacturing backpacks, bags, belts, covers, furniture and automotive upholstery, and saddlery products. An essential choice for professional leathercraft workshops and sewing studios.