Feature:1. [Applicable Eyepieces] This 2 piece set of microscope eyepiece eyeshields, with a diameter of 44mm, is suitable for 40 to 42mm interface eyepieces.2. [Clear Vision] Our rubber eyepiece eye cup could prevent your eyes from touch with the lens, ensuring clear vision without blur.3. [Comfortable Rubber Material] The eyepiece covers are made of rubber material, soft and comfortable to the touch, providing a non slip grip.4. [Flat Angle Eyeshields] These microscope eyepiece eyeshields are flat angle designed, able to be folded for use, simple and convenient.5. [Microscope Replacement Part] This eye cup set is designed for replacing damaged or worn eyepiece cover, easy to install and remove.Specification:Item Type: Stereo Microscope Eyepiece EyeshieldMaterial: RubberModel: KP H3Type: Flat AngleDiameter: Approx. 44mm / 1.73inThickness: Approx. 1mm / 0.04inSize: Suitable for 40-42mm Interface Microscope Eyepiece Eyeshield.Package List:2 x Stereo Microscope Eyepiece Eyeshields