Tex 135 Nylon thread is a strong, inexpensive thread for bags, upholstery, gloves and other products where strength and appearance is important.  It CANNOT be used on household machines, but most walking foot style machines will utilize this thread with little or no adjustments.  Also known as Government FF or CBB138, this thread has a break strength of 22 lbs and the minimum needle size is #160/23.  Spools are 250g (8 oz/1/2 lbs).  Black and white can also come in 500g (16oz/1 lb).  Each 250g spool contains approximately 1500 meters, 500g spools contain approximately 3000 meters.

Tex 135 Nylon thread