MRNHA 1 Pair Car Audio Speaker A-Column Tweeter Bracket Gasket for 2 Inch & 3.5 Inch 3.8 Inch Speakers Plastic Washer

Suitable for speakers: no more than 2 inches high pitch , no more than 4 inches of mid-range The central hole is divided into two sections. Install a 4-inch midrange speaker, then remove the washer to install a 100mm diameter 4-inch midrange speaker. Install a 3-inch 3.5-inch midrange and use the washer on the pad. (If you install a 3.5-inch midrange speaker to install the aperture and speaker cover, you need to pay attention to the car a column is than 111mm).