This fabric is made from high strength Hexcel IM7 Yarn – This fabric normally has a width of 49.75″but this is a 4″x4″ sample with a tow size of 6k and is woven in a plain weave. This 6k IM7 Carbon Yarn is a smaller looking yarn vs a normal 6k Carbon yarn. Due to the size of the fiber, this 6k fabric gives the appearance of a 3k. This material has a very unique visual appearance. Thickness .009″. This fabric is great for structural buildup and will yield a much stiffer product than a standard modulus 208 gsm fabric.