CLEAN-VIT-Blade CLEAN-VIT-Doctor Blades are very well suited for all applications in the wet and dry ends of a paper machine. We provide blades in more than 20 different material qualities, from conventional steel, bronze, monell and stainless steel, to DUROVIT-PE, fiberglass and carbon blades. All types and qualities are fitted to the different position and surface layers of each cylinder and roll.