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UTC Thread Ultra Thread by UTC is a premium fly tying thread valued for its strength, smooth texture, and fine diameter. It lays exceptionally flat, making it ideal for building smooth, uniform thread bodies without bulk—perfect for smaller flies, classic dries, and precise nymph patterns. Its versatility and performance have made it a staple on every tying bench. Each spool contains 100 yards of high-performance thread built for durability, finesse, and clean wraps. Thread Type Recommended Fly Sizes Breaking Strength Best Use 70 Denier #14 and smaller ~1 lb Small dry flies and nymphs. 140 Denier #6 to #14 ~2 lb Medium dry flies, nymphs, and general-purpose tying. 210 Denier #6 and larger ~3 lb Streamers, saltwater and steelhead flies, and larger patterns. GSP Large flies, bass bugs, deer hair ~6–10 lb Hair spinning, big game flies, and max-strength applications
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🇺🇸 Ship from USA · On Agora since 2025
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