Flexible height adjustment from 16.5" to 57" for your height needs. 2-in-1 vertical and table use is easy to switch, suitable for schools, orchestras, choirs, church bands, classrooms. Black foldable bookplate and steel music stand is very easy to carry and stock, and come with a carrying bag for long-term or temporary use. 22.9" diameter base with rubber feet for quick and easy opening and closing, and a high quality height adjusting handle and desk knob. Bookplate is made of tough ABS and can withstand 12 pounds of heavy objects such as books/computer/projector. The shaft and legs are made of high-strength tubular steel, which ensures the stability and durability of the music rest.