Compass Tattoo Supplies-"Cook Series"regards Pacific Voyage Three Times as the clue, mark each machine with the routine for memory. Each calibrated springs are made of top C-12&C-16 steel. The production time for this tattoo machine takes approximately 1 -3 days to complete. After hundreds of testing, this delicate machine comes to the world with the best stability and hand feeling. Specifications: Tahiti? "Cook Series"-Tahiti Type:Liner Speed:130-150HZ Coils: 8 Wraps Portland? "Cook Series"-Portland Type:Shader Speed:100-110HZ Coils: 10 Wraps