30pcs size as 0.3*21mm ( 30G*21mm) needles length fine needle for plasma pen eyelid lift mole remover machine plasmapenDESCRIPTION 30pcs size as 0. 3*21mm ( 30G*21mm) needles length fine needle for plasma pen eyelid lift mole remover machine plasmapen Work principle similartocarbon dioxide (CO2) laser beauty machine, it usesnew generation of plasma micro district discharge technology with low temperature and high frequency ,whichis efficient capacity conversion material and chip control . when the needle touch the freckle skin,it produce plasma with high temperature