My coil that came in the tank reads at 0.2 on the dot.The other one may read different,but I also am loving this tank.Really good flavor and damn close to a dripper as far as vapor production goes.i will say that there is some breaking in with the coil.the first 10-20 puffs I took didn't taste very good but eventually it got better.i agree with the fused glass as a con,they almost go this thing perfect.Why cheap out and not make the glass replaceable? Is this a sneaky marketing trick lol,you break it you gotta buy another