Nano Silk 100 Denier Predator 6/0 Brown is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it has endless possibilities and can be used for predator, saltwater flies and deer hair spinning.Specifications and Features: Product Family Nano 100D Length in Meters 50 Denier 100D Aught 6/0 Breaking Strain Kg 3.8kg Breaking Strain Imperial 8.4lb Product Delivery Package Spool Vendor-Color Brown Qty-Carton 12 Category Nano 100D Size-Desc Spool Marketing Family Nano Silk