The Husqvarna VIKING Digitizer 10000 HASP4 #W0598 Dongle is a key for software access designed specifically for embroidery machines. Made by the reputable brand Husqvarna Viking, this dongle is compatible with their Digitizer 10000 model. It serves as a secure method for users to unlock software features and access advanced functions when working with their embroidery machines. This product is essential for those who need to utilize the full capabilities of their Husqvarna Viking embroidery machine for intricate designs and precise stitching.