Features 1、The main body is made of aluminum alloy, light weight, strong, friction-resistant, quiet, scratch-resistant, drop-proof and corrosion-resistant. 2、This adjustable sliding platform is controlled by a gear rotating handle and a dovetail groove guide. 3、This optical sliding stage has high accurate, smoothness, high load resistance and stable movement. 4、The manual sliding platform adopts R angle protection, safety protection, convenient and practical. 5、Used in optical equipment, measuring instruments, semiconductor manufacturing equipment, testing machines, microscopes, photographic equipment, handling machines, processing machines, printing machines and others. Specification Item Type: Manual Adjustable Platform Model: HG-A90 Table Size: Approx. 40 x 90mm / 1.6 x 3.5in Moving Direction: X axes 1 direction Body Material: Aluminum alloy (black anodized) Movement Mode: Manually rotate the knob to advance the gear drive Sliding Track: Gear guide Rail Type: Dovetail groove type Number Of Countertop Threaded Holes: 10Pcs Threaded Hole Diameter: Approx. 4mm / 0.2in Threaded Hole Depth: Approx. 6mm / 0.24in Withstand Load: 98N (10Kgf) Moving Stroke: ±35mm Minimum Scale: 0.01mm Parallelism: 60μm Moving Parallelism: ≤0.1mm/60mm Structure: Detachable Application: Optical equipment, measuring devices, semiconductor manufacturing equipment, testing machines, microscopes, photographic equipment, handling machines, processing machines, printing machines and others. Package List 1 x Sliding Platform