Features: Material: Made of aluminum alloy, this platform is - and durable. Use: It is used to adjust the height and position of support device, to adjust the height of objects in physical, and biological experiments, and to adjust the height of level instrument. Structure: Experimental lift by the panel, under the floor and the rotating shaft, handwheel and other components. How to use: Lift place a smooth, rotating the hand wheel to lift on the front panel can be adjusted to the desired height. Maintenance: After use, it should be kept clean and stored in a cool, dry, non-corrosive gases. Specifications: Item type: laboratory lifting platform Material: aluminum alloy Color: blue, silver Minimum height: about 40mm Maximum height: about 150mm Size: about 100 x 100 x 150mm(L x W x H) Package includes: 1pc x laboratory lifting platform Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.