... accuracy: 6-8milLeast line diameter and least line spacing: 6 - 8 milDrilling depth: 0.02 ~ 3mmDrilling diameter: 0.4 ~ 3. ... 1mil (0.015mm)Operation system: WIN2000/XP/VISTAMeans of communication: PCI or RS232Function Request: Protel PCB document can be directly put ... . We send below parts for free:Software in CD, Controlling Card (PCI card), Water Tank, Water Pump, Engraving Tools, Data Wire, Power ...