Features: This lift stand is constructed of aluminum and plastic, which features high hardness, rust and , reliable and for long-term use. This lab scissors jack features 30-90mm height adjustable to meet your various requirements. Wide application: This lab lift platform is widely used for small equipment of physical, chemical, biological experiments. Specifications: Reduced size: 90 x 90 x 25mm/3.54x3.54x0.98in Expanded size: 90 x 90 x 90mm/3.54 x 3.54 x 3.54in Adjustable height: 30-90mm/1.18-3.54in Color: Black Material: aluminum+plastic Package Contents: 1 x liftslifting platform Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.