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., yield of 6000 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 9000 rated mill. We recommend needle size 20 for this thread. For matching Nylon Bobbins see our category Bobbins-Nylon. We sell this item in variety of colors.