Yes, it is a kind of high strength line, line to produce a strong tensile force, tensile force, luster, high temperature resistant, high speed, mainly is suitable for the leather sewing, such as: shoes, bags, sofa, etc. High strength wire is used the most common leather sewing thread. Special instructions Due to different production batch, batch of accessories may be wire thickness or slightly different color, are acceptable. The product description Product pictures are real photography, due to shoot the light, display, pictures and some physical presence must have off color, this is inevitable. Is very strict with the color of the customer please take carefully!