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THREAD - SUNGUARD B138 UVR BONDED POLYESTER (MARINE-OUTDOOR)
Our Sunguard UVR bonded polyester thread is suitable for outdoor use. Sunguard size B138 has 3 plies, a tensile strength of 21 lbs., yield of 2750 yards per pound, and is Govt. size FF. Sunguard size B138 is twisted and bonded and is formulated to match the most popular acrylic fabrics. We stock this item in white and black, other colors available by special order. The recommended needle size for this thread is 22. For needles see our sewing machine needle category. Made in the USA.