Sklar Ring Cutter, 6 in., Sharp, Blade, Stainless Steel, EA. Sklar's Ring Cutter is a speciality instrument specifically used for cutting and removing rings from a traumatized or otherwise inflamed finger. It features a thumb screw that turns a sharp, toothed, rotary blade that cuts the ring. The single, grooved handle features a thumb lever which operates a lower jaw that slides under the ring and protects the finger from the cutting. This ring cutter is best used on soft metals.