The MST Koch Stop and Chop Manipulator (Item #AH5385) is a purpose-built ophthalmic instrument in the Lens Manipulators & Choppers portfolio. Angled shaft, 10mm from bend to tip, 1.5mm long tip. Round handle. Overall length: 118mm. 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.