Feature: 1. Main body is made of aluminum alloy, light and friction‑resistant, quiet, scratch‑resistant, drop‑proof and corrosion‑resistant. 2. High accuracy and using gear rotating handle control and dovetail grooves guide, smoothly and stable movement. 3. There are R angle safety protection, easy to carry and store, convenient to use and with good performance. 4. With 10 countertop threaded holes, threaded hole diameter is 4mm, threaded hole depth is 6mm. 5. Wide range of applications, can be used for optical equipment, measuring devices, semiconductor manufacturing equipment, etc. Specification: Item Type: XY Axis Dovetail Manual Trimming PlatformModel: HB2-A90 Platform Size: Approx. 40 x 90mm / 1.6 x 3.5in Movement Direction: 2 directions of XY axis Body Material: Aluminum alloy (black anodized) Drive Mode: Manually rotate the knob to advance the gear drive (gear + rack) Sliding Track: Gear guide Rail Type: Dovetail grooves type Number of Countertop Threaded Holes: 10 Threaded Hole Diameter: Approx. 4mm / 0.16in Threaded Hole Depth: Approx. 6mm / 0.2in Withstand Load: 49N (5Kgf) Moving Stroke: ± Approx. 30mm / 1.2in Minimum Scale: 0.01mm Parallelism: 0.1mm Moving parallelism≤0.15mm/60mm Structure: Detachable. Package List: 1 x XY Axis Dovetail Manual Trimming Platform