1、Main body is made of aluminum alloy material with good quality, which is light weight 2、Strong, friction‑resistant and silent, possess scratch‑resistant, drop‑resistant, and corrosion‑resistant 3、Gear rotation handle control, dovetail groove type guide rail, come with high accuracy, smoothness, high load resistance, and stable movement 4、X‑axis linear stage provide R angle protection, which guarantee safety 5、Equipped with gear + rack type knob, you can manually rotate the knob to advance the gear drive 1 x X-Axis Linear Stage Item Type: X-Axis Linear StageModel: HC25-A200Table Size: Approx. 42 x 25mm / 1.7 x 1inMoving Direction: X axis 1 directionBody Material: Aluminum alloy (black anodized)Drive Mode: Manually rotate the knob to advance the gear drive (gear + rack)Sliding Track: Rack guideRail Type: Dovetail groove typeNumber of Threaded Mounting Holes on the Countertop: 6Threaded Mounting Hole Diameter: Approx. 4mm / 0.2inThreaded Mounting Hole Depth: Approx. 6mm / 0.2inHorizontal Load Resistance: 29.4N（3Kgf)Length: Approx. 200mm / 7.9inMoving Stroke: ± Approx. 90mm / 3.5inMinimum Scale: 0.01mmStraightness: 0.03mmScope of Application: Optical equipment, measuring instruments, semiconductor manufacturing equipment, testing machines, microscopes, photographic equipment, handling machines, processing machines, printing machines and others