2 pcs/set Foam Ring Rubber Speaker Surround Repair Made of high-quality rubber material, offering high elasticity, flexibility, and durability. The rubber edge is anti-aging with balanced softness and hardness. Available in six sizes to fit 4, 5, 6.5, 8, 10, and 12 inch speakers. Designed to replace old, broken, or damaged speaker surrounds. Easy to install and use. This set includes only the repair foam woofer edges; other accessories shown in images are not included. Specifications: Item Type: Repair Foam Woofer Edge Material: Rubber Size (Outer Diameter): - 4": 98mm / 3.8in - 5": 127mm / 5in - 6.5": 156mm / 6.1in - 8": 195mm / 7.6in - 10": 248mm / 9.7in - 12": 295mm / 11.6in Color: Black Quantity: 2 Pieces Installation Instructions: Remove the old gasket and clean off residual foam. Apply contact cement (not included) and center the surround evenly on the cone. Press the inner edge of the surround to the cone using your thumb on top and index finger inside the frame beneath the surround, working around the circumference until fully adhered. Apply wood glue to the outer frame and press the surround down. Reattach the gasket to the outer surround. Note: No retail packaging included. 1 cm = 10 mm = 0.39 inch Slight measurement variations may occur due to manual measurement. Product color may vary slightly due to monitor display differences. Package Includes: 2 x Repair Foam Woofer Edge