▶ Quickly Expanding Engraving Area: By replacing shafts of S30 Series, it can quickly obtain a huge engraving area of 400x935mm（226% area of standard S30）. ▶ Reserved Holes For Limit Switches: Limit switch holes are reserved on the extended Y-axis of S30 (limit switch mounting holes are also reserved on X-axis of S30), so that you can buy cheap limit switches accessories to upgrade the limit switch or homing function.
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