8/0 UNI-Thread is the favorite fine fly-tying thread of fly – tiers all over the world. Noted for being exceedingly strong for its diameter. It is used and recommended by many noted fly-tiers/authors such as Jack Dennis, Gary Lafontaine, Dick Talleur and Paul Marriner. 8/0 UNI-thread is made of continuous polyester filaments, slighttly bonded, which ties flat on the hook and comes wax or unwaxed in 22 « hatch-matching » colours. Spools wound with either 50 or 200 yards of thread are available.