Features: 1.100% brand new and super high quality.2. A dial of 16 wax filters per wheel.3. Come with an insertion / extraction tool.4. Quality Original Equipment Manufacturer Product.5. These are commonly used in a number of manufacturers in-the-ear products.Specification:Function: Prevent foreign matter such as earwax and dust from blocking speakerMaterial: ABSColor:As the picture showSize:As the picture show(1inch = 2.54cm)Package includes:1 x Wax Guard Wheel for Hearing AidsNote:1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.