The MST 18mm Scleral Fixation Ring (Item #AM0330 18) is a purpose-built ophthalmic instrument in the Fixation Rings & Picks portfolio. Designed around its specific working geometry, it features stainless steel scleral fixation ring set. 18mm in diameter. Flieringa Scleral Fixation Rings are stainless steel with a polished finish. Various sizes ranging from 12mm to 23mm. Sets are available. This combination of thoughtful design details and clearly defined specifications helps surgeons quickly identify the configuration that best fits their preferred technique and procedural needs.