Item Type: X-Axis Linear Stage <br>Model: HB-A90 <br>Table Size: Approx. 90 x 40mm / 3.5 x 1.6in <br>Moving Direction: X axis 1 direction <br>Body Material: Aluminum alloy (black anodized) <br>Drive Mode: Manually rotate the knob to advance the gear drive (gear + rack) <br>Sliding Track: Rack guide <br>Rail Type: Dovetail groove type <br>Number of Threaded Mounting Holes on the Countertop: 10 <br>Threaded Mounting Hole Diameter: Approx. 4mm / 0.2in <br>Threaded Mounting Hole Depth: Approx. 7.5mm / 0.3in <br>Horizontal Load Resistance: 39.2N <br>Moving Stroke: ± Approx. 35mm / 1.4in <br>Minimum Scale: 0.01mm <br>Straightness: 0.03mm<br>1、Main body is made of aluminum alloy material, which is light weight <br>2、Strong, friction-resistant and silent, possess scratch-resistant, drop-resistant, and corrosion-resistant <br>3、Gear rotation handle control, dovetail groove type guide rail, come with high accuracy, smoothness, high load resistance, and stable movement <br>4、X?axis linear stage provide R angle protection, which guarantee safety <br>5、Gear + rack type knob, you can manually rotate the knob to advance the gear drive1 x X-Axis Linear Stage