Description Hollow Back 304 Stainless Steel Rub Rail Insert 3/4″ x 6′ Sold in 6′ increments. Features: Sold in 6′ Stainless Steel Type-304/316L Drilled and countersunk for #8 screws on 6-inch centers 5-year limited warranty This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.