Feature: 1. The repair edge is made of quality rubber, pliable, anti-aging and durable 2. Nice effect for low pitch sound 3. Good replacement for , HiVi speakers 4. Please clean glue remains before install the new rubber edge 5. Please pay attention to the size of the item before you purchase it Specification: Features: The repair edge is made of quality rubber, pliable, anti-aging and durable. Nice effect for low pitch sound. Good replacement for , HiVi speakers. Please clean glue remains before install the new rubber edge. Please pay attention to the size of the item before you purchase it. Specification: Material: Rubber Color: Black Quantity: 2pcs Inside Diameter: 142mm Convex Inside Diameter: 152mm Convex Outside Diameter: 178mm Outside Diameter: 196mm Weight: Approx. 43g Package List: 2 x Rubber Edges Note: Please allow 1-3cm differences due to manual measurement. Thank you for your kindly understanding.