I do not know what type of sword this would be if you do know please let me know. My v3 is better.
Long (2ft. 2in.)(41cm.)
a little heavy
can still break
here is a link for v1 http://www.instructables.com/id/Knex-sword-v1/
here is a link for v3 http://www.instructables.com/id/Knex-sword-v3/