Titanium Nitride-Coated Instruments 1 Plastic DE Designed to provide the most streamlined and versatile instrument assortment for composite restorations. The titanium nitride coating is 40% harder than stainless steel and testing has proven it to be the best non-stick surface for placement, shaping and carving of composites. Lightweight silicone handles provide improved ergonomics and precise control. Can be autoclaved up to 175°C, chemiclaved, ultrasonically cleaned and sterilized by cold or dry heat method.