Global Six 31 44" Mid Back Operator Chair with T-Style Arms - Fabric - BlackAvailable in stylish black, the Global Six 31 Mid Back Operator Chair features an independent back angle and seat angle adjustment with infinite position tilt lock control and tilt tension adjustment for added comfort and support in your workplace. Greenguard certified, this unit also comes with height adjustable T style arms with durable self skinned urethane armcaps and dual wheel carpet casters for increased mobility.