Mason Hard Type Nylon Monofilament

NYLON MONOFILAMENT

What is monofilament nylon fishing line made of? What are its advantages and disadvantages compared to other types of fishing lines? - Quora

Tippet Material - The Key to Successful Fly Fishing ▻buy at Rudi Heger

9 Meter Mason HardMono

Orvis 7.5' Super Strong Plus Leaders (2pk)

Mason Hard Mono Fishing Line - 100-Yard Spools

Mason Hard Mono Leader Material at The Fly Shop

Mason Hard Type Nylon 8# Mono Leader Material, 100 Yard, Clear #HSR-8-100YD

I'm not going to lie, you'll put in a lot of work tying this! - Trout Thumper Swim Bugg