510 thread to 901 thread to allow a 510 device to use 901 attachments.
510 thread to 808 thread to allow a 510 device to use 808 attachments.
510 thread to 801 thread to allow a 510 device to use 801 attachments.
These adapters allow the deeper threading set eGo-T, echo cartomizers etc to be used on mods and variable voltage units. They act as an extension somewhat mimicking an eGo battery fitting.
Allows Go-go batteries to accept 510 threaded attachments.
Allows 510 batteries to accept Go-go cartomizers.