Specification Brand : flexman BulletPoint1 : [High Precise] This corner cube prism with the diameter of 1 inch (25.4mm) provides precise measurement and efficient performance, ideal for various applications. BulletPoint2 : [Optical Glass] Crafted with optical glass, this prism undergoes meticulous polishing to achieve a bright and glossy finish, enhancing the overall aesthetic appeal. BulletPoint3 : [Protective Coating] The prism features a uniform and smoothly surface coating that not only adds a layer of protect to the glass, but also ensures long lasting durability. BulletPoint4 : [Standard Size] Strictly manufactured, this corner cube prism has high standardization, with precise size and shape, can seamlessly fit various instruments. BulletPoint5 : [Long Lasting] Designed to withstand wear and tear, this trihedral retroreflector is built to last, providing enduring performance even in demanding environments. ExternallyAssignedProductIdentifier : 8460843214668 ItemName : FLEXMAN Corner Cube Prism, 25.4mm Trihedral Retroreflector 0.2~1 Aperture Optical Glass Corner Cube Prism 60 40 Clarity 0.1~0.3 Irregular Aperture ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 4 centimeters ItemTypeKeyword : science-classroom-optics-kits Manufacturer : flexman ModelNumber : flexman5ev8izf43g NumberOfItems : 1 PartNumber : flexman5ev8izf43g ProductDescription : Specification Item Type: Corner Cube Prism Material: Optical Glass Aperture: 0.2-1 Irregular Aperture: 0.1-0.3 Clarity: 60 40 Total Angle: 2-8sec Diameter: Approx. 25.4mm/1in