The n°532 Fil Au Chinois lin câblé has a diametre of 0.57mm. Each spool contains 50 grammes, aprroximately 250 metres of thread. It is the average thickness and the most commonly used. For harnesses or leather that will be exposed to humidity, we recommend using our waxed polycotton threads or polyester Cordonnerie which will withstand the test of time without rotting. Waxed linen should be reserved for leather goods which will not be exposed to bad weather.