Please Note: These eye guards are designed for microscope eyepieces only, not binoculars. Eye Guard Mount Size: F32.5mm. Height: 18mm. The high quality rubber provides gentle contact with the eyes. Eyeguards provide an extra protective layer between the microscope eyepieces and the user. Eye guards provide comfort and eye relief for long viewing sessions. Helps protect your eyes from stray light in the working environment.

Not foldable. One pair of eye guards contains 2 pieces. The inner lip (2mm, 0.08 inch) holds the eye guard in place to prevent it from sliding down on the eyepieces. The eye guards stretch slightly by 1mm, to fit eyepieces with an outer diameter of approximately 32.5mm to 33mm. These rubber microscope eye guards have an inner diameter of 32.5mm to 33mm mounting size. These eye guards are designed for Microscope Eyepieces, not binoculars. They may not be compatible with other types of products. Please measure the outer diameter of your eyepiece to ensure fit.

Brand: BoliOptics. Item Dimensions LxWxH: 1.5 x 1.5 x 0.71 inches. Color: Black. Manufacturer: Boli Optics Inc. Date First Available: February 20, 2018. Is Discontinued By Manufacturer: No. Best Sellers Rank: #115 in Microscope Lenses. Customer Reviews: 3.6 out of 5 stars 8 ratings 3.6 out of 5 stars. Item model number: SZ02013912. : B078163SGV. Item Weight: 0.8 ounces. Product Dimensions: 1.5 x 1.5 x 0.71 inches.