200x200mm Aluminum Router Table Woodworking Engraving Lab Lifting Stand Rack Platform Woodworking Benches            Feature:      Durable and practical. Experimental lift by the panel, under the floor and the rotating shaft, handwheel and other components. Lift for regulating the height position of the object A support apparatus. Suitable for adjusting height of instrument for physical, chemical, biological experiments. Laboratory Lifting Platform only, other accessories demo in the picture is not included.       How to use:  lift place a smooth, rotating the hand wheel to lift on the front panel can be adjusted to the desired height. Warning:  Lab jack should be kept clean and dry after use and stored in a cool, dry, non-corrosive environment.            Description：      100% Brand New      Material: Alloy      Item number: 498384-498385      Color: as picture      Package: 1pc      Size: 20*20*8.5cm                        Conversion: 1inch=2.54cm,  1cm=0.393inches      Warm Tip :  Please be reminded that due lighting effects, monitor's brightness/contrast settings etc,      there could be some slight differences in the colour tone of the website's photo and the actual item.       Item Measure by hand, it could be 1cm different,your kind understanding will be much appreciated.