Separates interproximal contacts. Maximum finishing performance. Made of hardwearing stainless steel. Autoclavable. The Serrated Diamond Finishing Strips are specially designed to break interproximal contacts. These strips are also indicated for finishing enamel and other restorative materials.They are built from durable stainless steel and are autoclavable. Serrated Diamond Finishing Strips measure 3.75 mm and 147 mm long. Available in medium (0.13 mm), fine (0.10 mm), and superfine (0.08 mm) grits.