Here's a liner by builder Sergey Spigel.
This tattoo machine is designed for outlines. Optimum machine perfomance is achieved with the 5.5 - 6.5 V voltage and 1 to 15 needles for contours. It is also recommended to use soft grommets while using this machine.
Manufacturer: Spigel Tattoo
Product Type: Tattoo Machine
Machine Type: Coil Tattoo Machine
Purpose: Liner (1-15rl)
Frame Material: Steel
Machine Connection: Clip Cord Connection
Voltage adjustment: 5.5-6.5 V
Weight: 7 oz