ok let's put this in context it will be more expensive because whos involved its 3d printed so it's uber cheap to make but will be a premium price, the innovative move a tank up and down with two screws, however, has it had 1000, 2000,10,000 cycle testings as the cables on a 510 are the weakest points, what's the warranty? DNA boards have 12 months does the mod have 12 months, the parts to make the mod are about £60 so what is the price point £80 £90 £200
It is another 3d printed mod to mix with other 3d printed mods that you can print yourself it's not innovative like Death Wish mods or quality like Purge mods,
no sleeve adapter for 18650 and who has or uses 20650 you mean 1mm makes the mod too big so junk all your normal 21700 and buy 20650 batteries??
edit
MicroUSB when type c is the way forward or are all the shouting over micro usb forgotten