Features: Featuring scissor type lifting mechanism with manual red knob control, this aluminum lab stand delivers micrometer level adjustments for critical laboratory applications requiring exact positioning and stability. Engineered with aluminum frame, anodized corrosion resistant, the stand ensures smooth vertical travel and long reliability in demanding experimental environment. Ideal for research scientists, engineering professional, and educational instructors needing dependable height calibration tool for sensitive instrumentation setups or repetitive measurement tasks. Perfectly suited for vibration prone chemistry lab,optical testing stations, or confined workspaces requiring space efficient, maintenance equipment solution. The threaded accommodates customized attachments like specimen holders or optical mounts, while its scratch resistant platform maintains consistent horizontality for repeatable experimental result. Specifications: Component:Aluminum Size: Approx.148.5x80x67mm/5.84x3.14x2.75inch Package Includes: 1Pc Lifting Stand note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.