For the price of the original it's a no brainer. Makes leg length guessing a thing of the past & there's a large database of RDA/RTAs leg lengths on Coilys site. Plus Simon (the creator) is a nice guy
Been building for ages but this makes life so much simpler. One of the best non essential vape items I own & now it's an essentialJust ordered one, really want to get into the rebuildable scene and this looks like a big help, thanks @nwhornet appreciate your advice
You can get free knock-offs with certain tanks, Vandy Vape I think, I must have a dozen of them plus a couple of Coil Father clones I got from Fasttech. Very useful, handy to keep a note of the leg length for each tank/dripper you build too. The days before the coily involved a fair bit of guess work