Size "FF" nylon thread has a tensile strength of 16 pounds (7.3kg) and is used for medium weight sewing. Approximately 8 oz. (225g) spool.
Note 1: Nylon thread conforming to the commercial equivalent of VT-295E is used in the manufacture and repair of all types of parachutes. Note 2: All thread is left twist. Note 3: All nylon thread is bonded.