An optional installation method. Use a flue leg kit when the chimney's flue does not extend one inch or move above the chimney's crown. Easily adaptable to all of our bolt-on chimney caps. Set of four, nuts are included. Heavy duty 1/8" galvanized steel. Two year Warranty. Availability: Usually ships the same business day. FLKGLSRegular price: $23.95Sale price: Copyright © 2008 Chimney Depot Inc. All rights reserved.