It's old, but it can be used (there are multiple). JOINTEX Office Chair OA Chair C622R Product Specifications An economical "C622R" OA chair (without arms) / blue, which allows for the attachment of optional armrests. It has a large, stable back cushion and a rocking function. A set of fixed armrests (C3-LA) can be attached as an option. When armrests are attached, the height to the armrests is 635-745mm. ● Seat height: 430-540mm ● Seat dimensions: W430 x D400mm ● Color: Blue ● Materials: Back/seat = acrylic fabric, cushion = urethane foam, legs = reinforced resin, casters = nylon dual-wheel casters ● Functions: Gas-lift seat height adjustment, back rocking