Durable stool designed for use at workbench and counter height applications. Height range is adjustable with a pneumatic lift for ease of adjustments. Large 13-1/2" round molded polyurethane seat. Welded steel 5-star base with 18" adjustable foot ring and dual wheel casters. Black finish. Some assembly required.Durable stool designed for use at workbench and counter height applications. Height range is adjustable with a pneumatic lift for ease of adjustments. Large 13-1/2" round molded polyurethane seat. Welded steel 5-star base with 18" adjustable foot ring and dual wheel casters. Black finish. Some assembly required.