Add to cart 3″ x 4″ x 16 oz. Corrugated Copper K-Style Downspout, 10 ft. Lengths $120.50 Don’t forget to order additional downspout for elbow offsets and future repairs. Price shown is per 10 foot length. Each gutter and downspout order is unique at Classic Gutter Systems. Once you’ve placed your order on this website, you’ll be contacted within 48 hours with a complete, detailed quote including packaging and shipping costs.