OLFA Liner Cutting Knife, 6mm TS-1If you only want to cut 1 layer or the backing, this is the knife for you. An innovative cutter that allows only a single sheet to be cut. Ideal for cutting vinyl on a car without cutting into and scratching the vehicle surface (advanced installer only) . It will help you with all tasks that require only a single layer to be cut and the material beneath to be preserved. Simple sheet thickness adjustment from "MIN" to "MAX" depending on sheet's