Using Denier to Standardize Fly Tying Thread | Global FlyFisher | It makes sense to have a standardization, which would eliminate much of the confusion that surrounds fly tying thread today.
Units of textile measurement - Wikipedia
Deciphering Thread Size | Fly Tyer
Deciphering Thread Size | Fly Tyer
Utc Ultra Thread 140 Denier Fluorescent Green Fly Tying Threads
Ought converted to Denier | The North American Fly Fishing Forum - sponsored by Thomas Turner
Veniards UTC Threads
Ultra Thread - 140 Denier | Pacific Fly Fishers
Tapovan White 1000 Denier 2 ply Polyester Thread, For Sewing, Packaging Type: Loose at Rs 130/kg in Surat