Equipped with a large 27" nylon base for optimum stability, the Boss Black Caressoft Drafting Stools With Adjustable Arms & Footring by Boss Office Products offers a modern design that matches any workspace. The contoured back works to support the spine and hooded double-wheel casters make it a cinch to move the chair around the room as needed. There is a pneumatic gas lift for adjusting the height and arms to move into your desired position. The 20" chrome foot ring also gives your feet a much-needed break. Users find this model in four fabric colors with the option to purchase model TU021 with gliders instead of casters.