Wazef 200*200*70-250mm Lab Jack Stainless Steel Experimental Mini Lifting Platform Experimental Table Work Platform Lift Platform for Laboratory Height Adjustment Science Projects Education Height Range 70mm to 250mm Material: Stainless Steel Product Dimensions: 20 depth x 20 width x 7cm minimum, 28cm maximum Color: Silver/White 【Wide Range of Applications】The laboratory lifting platform jack is a supporting device for adjusting the height of objects, and is used to lift objects and instruments in physical, chemical, and biological experiments. As an auxiliary tool, it can also be used in other fields, such as raising a router and macro photography. 【Easy to Use】The lab lifting platform consists of an upper panel, a lower base plate, a rotating shaft, and a handwheel. Place the lifting platform firmly and rotate the handwheel to adjust the upper panel of the lifting platform to the desired height. Please peel off the protective film before use. Maintenance: After use, it should be kept clean and stored in a cool, dry place away from corrosive gases.