From Amazon
Knipex Crimp Assortment for wire ferrules 97 90 05
Conrad Electronic
Knipex KNIPEX 97 90 05 Crimper Ferrules 0.25 up to 16 mm² Incl. Tanos Mini-systainer, Incl. ferrule set
Rapid Online
Knipex 97 90 05 Crimp Assortments For End Sleeves (Ferrules)