Improves Z-axis accuracy, eliminates printing wobble, strongly advised for direct drive 0,35 mm printing. Note: Firmware upgrade needed. Includes: precision threaded rod lead screw, follower nut, flexible coupler.

• Assembly Instructions
• FIRMWARE K8200 V2.1.1.ZIP
  This version supports the K8204 Z AXIS UPGRADE ROD AND COUPLER FOR K8200 and the VM8201 LCD and SD card controller. DO NOT FORGET TO RESET YOUR EEPROM SETTINGS AFTER THE UPGRADE!.
  Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm.