Alvin - SpaceSaver Adjustable Stool - The Alvin Space Saver Adjustable Stool is designed with function in mind, this adjustable-height utility stool has a 2.5 inch thick cushioned black vinyl seat that is 13 inches in diameter. Telescoping legs facilitate a height range of 24 inches to 30 inches in 2 inch increments. The SpaceSaver Stool has tubular chrome-plated steel legs with automatic leveling floor glides. 17 inch chrome-plated ring serves as a footrest and provides added rigidity. Assembly required. 12 lbs. Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Creative Coldsnow is a pround retailer of Alvin graphic arts, drafting and fine arts products.