Craft:Wire cutting from a block of quality brass. Material: True BrassnHighlight:completed brass frame for finest conductive well balance,accurate.nCoil:12wraps oxygen free copper wire.nArmature Bar:Low Carbon Steel. Start:3V. Work:6-8V.3000cpm.nN/W:265g. Dim:8.5*3.2*8.6cm.nThe frame of the machine is made of high quality brass,wire-electrode cutting and CNC carved. Strong and smooth,easy to set up,simply to use. The machine is used of 12 wrap handmade coils (imported copper wire),high-performance for Shader. Designed for use with all sizes of premade tattoo needles,tubes,grips,and power supplies. Not go hot for 4 hours working. Every machine be adjusted by artist before delivery, for best performace!