... Pre-made needles (already soldered) Professinal sterilized tattoo needles (0.40/0.35/0.30/0.25mm are available ) * 50PCS ... all sorts of tattoo machines. * CE verified. 1) 0.40/0.35/0.30/0.25mm are available 2) Material ... M2 Series, F series, RS series, RL series and RM series. Round Liner (RL) Size1,2,3,4,5,7,8 ... BY Air , by Sea Professinal sterilized tattoo needles (0.40/0.35/0.30/0.25mm are available )