How to measure a katana or an iaito - www.katanas-samurai.com
Selecting an Iaito length
Why is the katana (a two-handed sword) the same length as an arming sword (one-handed), and why the nodachi would be a better two-handed sword compared to the katana? : r/SWORDS
How Important is the Length of a Katana Sword • Sword Encyclopedia
What is the Perfect Katana Length? - Arma Blade
HOW TO SELECT THE RIGHT SIZE SWORD
Junior Edition Katana Aluminum Iaito Practice Samurai Sword Unsharpened Edge