The MST Machat Adjustable Speculum (Item #AL0534) is a purpose-built ophthalmic instrument in the Speculums portfolio. Designed around its specific working geometry, it features non-aspirating speculum. Aspirating and non-aspirating Machat LASIK speculums. Both are adult size with 17mm open V-wire blades, temporal approach, and have thumb-screw control for lid tension. Overall length: 76mm. 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.