Why is it called a 510 cartridge?
A descriptor of the threaded connection used to join parts, “510” literally refers to 10 threads at 5mm.
This type of threaded connection quickly became the standard for most e-cigs and vape pens, making it easier to use
various cartridges and pens together
KVAP Cartridges are all the stardard 510 Thead Connection.
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