General description These speaker brackets are designed for car audio systems, specifically for three-way tweeter setups. They accommodate tweeters with an outer diameter of up to 2 inches and midrange speakers with a maximum diameter of 4 inches. The brackets come with a gasket and plastic washer for easy installation and adjustment. Technical specifications Tweeter outer diameter: 58 mm Tweeter inner diameter: 47 mm Midrange outer diameter: 102 mm Midrange inner diameter: 85 mm Maximum bracket width: Not specified Bracket length: 270 mm Material: Plastic Installation Install a 4-inch midrange speaker by removing the washer for a diameter of 102 mm. For 3-inch or 3.5-inch midrange speakers, use the washer on the pad. Other information Package Contents: 2 Pair x Car Speaker Gasket (Speakers Not Included) Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.