One section was around 50-65 cm, chain was made up by at least 3 rings to keep nimble, you may notice 3-section staff are suppose to have same length to a long staff (180 cm) when erected, as their usages were related.
You may order a wood or steel 3-sect staff for your own confort from Kafok kung-fu shopwww.kafok.com/index_topic.php?charset=eng&did=31090&didpath=/31090
