The MST Lester-Burch Eye Speculum (Item #AL0400) is a purpose-built ophthalmic instrument in the Speculums portfolio. Adult size, 21mm round solid blades, 32mm blade spread, temporal approach, locking screw mechanism. Overall length: 82mm. 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.