Adjusting up and down with the push of a button, these comfortable armrests have four positions for a total range of 2½". Feature adjustable width positioning and cushioned black polyurethane. Fits chair models CH277, CH290, CH444, CH555, DC208, DC310, and DC410.

Foot glides replace casters where rolling action is not desired. Fit all ALVIN chairs and stools except DC204. Sold as a set of five.

Stylish and contemporary, these armrests feature cushioned black polyurethane loops with sliding width adjustment for comfort. Fits chair models CH277, CH290, CH444, CH555, DC208, DC310, and DC410.

These convenient height extension kits easily convert Alvin’s office-height chairs into draftingheight models. Each kit includes a strong cylindrical steel shaft with tapered end to lock into the chair base. Adds approximately 7½" to the height of the chair. Foot ring models can be adjusted vertically and then locked at the desired height. It is recommended that extension kits be attached when the chair is first assembled. All three extension kits fit the following chair models: CH277, CH290, CH444, CH555, DC205, and DC207B. Only CK38 fits models CH112 and CH222.

In addition to adjusting up and down with the push of a button, these comfortable armrests have a 40° lateral adjustment to allow you to align your arms with your work surface. Feature four locking height positions for a total range of 2½", adjustable width positioning, and cushioned black polyurethane. Fits chair models CH277, CH290, CH444, CH555, DC208, DC310, and DC410.

Designed to fit most standard diameter gas cylinders (48mm and 50mm), this unique foot ring can be added easily at any time without taking the chair apart. Left and right halves fit firmly together and can be set at any height. Made from durable reinforced nylon. 18" in diameter.