Multi Serve Rolls Ltd. Supplies Paper Mill Non-metallurgical Rolls. Multi Serve Rolls Ltd. Supplies rolls for various industrial purposes. Paper Mill Non-metallurgical Rolls are made in special alloy categories in different hardness range between 65 - 75 shore degrees centigrade as suitable. Paper Mill Non-metallurgical Rolls are usually Subjected to high RPM, they are very accurately dynamically balanced. The rolls have anti-slip surface and can be supplied as `cambered`. Concentricity, roundness and other dimensions in such rolls are maintained to very low & precise tolerances.