<ul><li>Material: Rubber. Inner Diameter of the Top: 29 mm. Suit 32 - 35 mm microscope eyepiece, binoculars and other ocular instrument.</li><li>Quantity: one pair (2 pieces). Product Type: other. Inner Diameter: about 34 mm.</li><li>Perfect microscope accessories, exquisite workmanship, can be widely used in microscope. With good durability and stability.</li><li>You can reach us anytime for any query and I'll available 24x7 to assist you, have a good day.</li></ul><br><br>

JOEBO Microscope Kit 2pcs Stero Microscope Eyepiece 32-35mm Eye Caps Microscope Lens Adapters