Features 1、100% brand new and high quality. 2、Made of high quality aluminum oxide, this platform is rust‑resistant and durable. 3、The platform can provides a quite steady lifting performance, very practical. 4、It is convenient to use, the height is adjustable. 5、Widely used for height adjustment of physics, chemistry and biology experience instrument. Specification Features: 100% brand new and high quality. Made of high quality aluminum oxide, this platform is rust-resistant and durable. The platform can provides a quite steady lifting performance, very practical. It is convenient to use, the height is adjustable. Widely used for height adjustment of physics, chemistry and biology experience instrument. Specifications: Material: Aluminum oxide Size: 200x200x340mm/7.9x7.9x13.4in Maximum Height: 280mm/11in Minimum Height: 70mm/2.8in Weight: 2423g(approx.) Package Includes: 1 x Lifting Platform (other item is not included) Package List