M5 Hex Nut Lock nuts are a small but vital part of the 3D printer's mechanical system

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making it a versatile solution for any advanced 3D printing enthusiast

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Original Prusa i3 MK3/S/+ to MK4S upgrade kit Lagerkontrol M5 Hex Nut Lock nutsComplete MK4 upgrade including precise X Y motors This is the full upgrade, which includes the MK4's new X Y precision motors (400 steps, 0. 9 per step). It is the most expensive of the three options, but in the past users have expressed great interest in a full MK2 >MK3 upgrade, therefore Prusa is also offering a full MK4 upgrade. This product comes as a building kit you have to assemble it yourself! Before you order the upgrade: Please check which