Material: This lab bur lifter is made of high-quality aluminum oxide, which is anti-rust, anti-corrosion, heat-resistant, high strength, and can be used for a long time. Span Range: The lab bur lifter can be lifted up to 16cm. The span range is wide, which can meet your needs for different heights during the experiment. Maximum Load 5kg: Maximum load 5kg. In order to prolong the service life of the product, it is best to bear the weight within 5kg. Operation: First place the lab jack stably on the table, then turn the handwheel to adjust it to the required height. The lifting platform should be raised to a suitable height before placing objects on it. Application: The lab bur lifter is widely used as a chemical instrument to adjust the height of objects such as alcohol lamps and glass beakers. and reactors, heaters, support instruments, physical objects and other scientific objects.