This is the most advanced creasing matrix, developed by Man Mat and manufactured using state of the art laser controlled technology. It is an ultra-thin plastic based material. It offers excellent impact strength for longer life, as well as specially engineered shoulders for faster, smoother substrate throughout. Along with patented adhesive free locator bonding which leaves no stick residue which results in better quality and quicker creases. With an easy to use finger lift adhesive system PRO-Crease is colour coded by channel height and both the locator & matrix is printed with product dimensions so you will never find yourself accidently using the wrong size matrix.