Varitube 510 Connector
A spring loaded 510 connector is, without a doubt, the best upgrade you can do for any box mod.
What we have here for you is one of the most popular 510 connectors on the market.
The Varitube 510 features a low profile shoulder, self adjusting spring loaded center pin, and a brass nut for a solid connection.
This connector is 22 mm in diameter and a solder ring is included with your order.