UTC Monofil Monofilament Thread is great for use on any fly pattern that calls for monofilament material. Monofil is constructed of the same material used in tippets. The clear material will reveal the underlying thread and materials. Great for scud and sow bug ribbing.
UTC
UTC 210 Denier Fly Tying Thread - BWCflies Australia
Wapsi UTC Monofilament Thread 0.006 Clear : Sports & Outdoors
Monofilament Fly Tying Thread Substitute 2-6lb Mono.
UTC Monofilament Thread 0.004 Clear : Sports & Outdoors
Clear nylon monofilament thread is made by Shakespeare. Soft and supple, it’s the number one best seller on the market. Always a match for arm covers,
Clear Monofilament Thread - Shakespeare
Wapsi Mono Thread
UNI-Mono Fine Clear Monofilament, UNI Products
Great for scud and sow bug ribbing. Try the .006 for spinning deer hair!
UTC Monofilament Thread