Nice SAK!
Maybe the shorter frame of the 84mm necessitated only a 4-turn corkscrew?Sorry that this is only speculation on my part, and i can't be more helpful.
Check it here:https://forum.multitool.org/index.php/topic,21658.msg1261465.html#msg1261465
Quote from: pfrsantos on March 21, 2018, 07:56:58 PMCheck it here:https://forum.multitool.org/index.php/topic,21658.msg1261465.html#msg1261465Yup. Yup jnoxydI don't know where anyone got the idea about the 5-turn going til '73, but have seen it as well.