When you need strength and durability, use our #69 bonded nylon thread which is suitable for indoor applications. Bonded nylon thread, size 69, has 3 plies, a tensile strength of 11 lbs., a yield of 6,000 yards per pound, and is Govt. size E. This thread is made in the U.S.A. and meets all specifications for automotive, furniture, and industrial use. Our High-Spec Bonded Nylon Thread, size 69, is twisted and bonded and is available in 36 colors with dependable consistency of quality and color from a Q-1 (Ford) & QS 9,000 rated mill. We recommend needle size 20 for this thread. For matching Nylon Bobbins see our category Bobbins-Nylon. This item is available in a variety of colors.