Not sure, trades my other KFV4 for it here in the forum. I don't drop, so I don't use it. It works great and the threads are buttery smooth. Has the chuff and the 510 adapter.
From left to right, too to bottom... Goblin Mini clone, authentic OBS Crius, authentic Steam Crave Aromamizer V1, Velocity V1 clone, Smok TCT Pro, Tobeco KFV4, and an Angelcigs KFL.