Joyetech eGrip replacement coil head is quite different from any other Coil head by Joyetech. eGrip CS atomizer head is specially designed for e grip. Its resistance is 1.5Ω, which can work under high voltage and wattage. It is fairly simple to replace; just unscrew the bottom with coin and replace the atomizer head in it. Egrip replacement coils (wicks) come 5 in a pack.