Noted for being exceedingly strong for its diameter. It is used and recommended by many noted fly-tiers/authors such as Jack Dennis, Bob Lindquist, Dick Talleur and Paul Marriner. 8/0 UNI-Thread is made of continuous polyester filaments, slightly bonded, which ties flat on the hook and comes wax or unwaxed in 28 « hatch-matching » colours. Spools wound with either 50 or 200 yards of thread are available. Available colours are: Black, Camel, Fluo.Orange, Green, Gray, Iron Gray, Dark Brown, Light Cahill, Olive Dun, Olive, Orange, Purple, Rusty Dun, Red, Fire Orange, Rusty Brown, Tan, White, Yellow, Pink, Chartreuse, Wine, Lt.Olive, Doctor Blue (New 2013), Fluorescent Green (New 2017), Mahogany (New 2018), Royal Blue (New 2020) and Pumpkin (New 2021). Combo packs of twenty (20) spools are also available for the 50 and 200 yds.