Pack informations
This pack have 11 katanas, and 8 katana with their scabbards
This pack works for 1.14+, but you can rename models on the pack to make them work on 1.9+
All katana are on the diamond sword, you can get the different katana by making the command :
/give player diamond_sword{CustomModelData:1}
And you replace the number of CustomModelData by the number for the katana you want.