17 louvers,2 in wide on 26.5 length x 5 inches wide sheet metal. I ordered 4 rows of louvers from Canada and used 3 of them on my Henry 32 cabriolet decklid.$50 shipped CONUS. No PayPal, NO Texts! Your postal m.o. is safe with me—no games with your monies sent. HAMB member in good standing over 7 years. Thanx John in s.Tx 979-595-7324 cell.