Check the listing for details. CNC3018plus CNC Router Z Axis Slide Stroke 85mm Linear w/Stepping Motor. Condition: New. Listed at 70.15 USD. Description This item is made of high-quality and hard aluminum material, which is more durable and lasts longer. It is artificially and naturally treated to resist wear and tear. The high precision of this item and design makes you work more smoothly and conveniently. You can put it to good use in your work. It can be used in CNC laser machines, engraving machines, etc. Key Features Wear-resistant: The filament rod of this item is made of high-quality and high-hardness aluminum material and has a very smooth surface. Therefore, it is very wear-resistant. Great Durability: This item is made of high-quality aluminum, which is more durable and has a longer service life. It is also not easy to damage or rust under proper use and is very durable. .