PAIR PACKED. Fits all 10" Standard Size Subwoofers. Classic "Beehive" Design. ^^ High Excursion Design Allows for Upward Movement of High Power Subwoofers. ^^ Each grill is solid steel and 2 piece. Outer rim is heavy gauge steel and reinforced. ^^ Patent Pending design. Includes 16 wood screws for installation. ^^ Each grill is precision machined down to the millimeter. You may need to gently separate outer rim with a flat head screwdriver.