Danville has been creating high quality fly tying thread for over 40 years. Caddisflyshop.com stocks a large selection of Danville tying thread both in terms of strength and color. Each spool of Danville U140 thread has 100 yards of thread on it. We really like Danville U140 thread for it's "flat lying" characteristics, it has just the right width to capture natural and synthetic fibers and secure them to and hook or shank you might be working on.
