The MST Castroviejo Needle Holder, Straight (Item #AN0310) is a purpose-built ophthalmic instrument in the Needle Holders portfolio. Designed around its specific working geometry, it features straight, 9mm fine jaws with lock. Overall length: 139mm. Straight and curved jaws, with various jaw sizes and styles. Comes with a locking mechanism. 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.