Feature: 1. Function: Stereo microscope limit ring with 32mm / 1.26in diameter, can prevent damage caused by falling microscope objective. 2. High Strength Structure: Industrial stereo microscope limit holder is made of aluminum alloy and brass material, rustproof, not easy to deform. 3. Applications: Stereo microscope fixing holder is usually used in laboratories, schools, teachers, sample observation, eyepiece protection, etc. 4. Safe and Practical: The industrial stereo microscope fixing ring is embedded with a brass fixing piece, which will not damage your equipment. 5. Important Microscope Accessory: Microscope position ring is an essential microscope accessory, stable and reliable performance, easy to install. Specification: Item Type: Stereo Microscope Limit Ring Material: Aluminum Alloy, Brass Inner Diameter: 32mm / 1.26in. Package List: 1 x Stereo Microscope Limit Ring