Boss Multi-Function Task Chair Black

Fabric Mid-back chair with lumbar support, Elegant styling upholstered with commercial grade fabric, Adjustable height and width armrests with soft polyurethane pads, Seat tilt lock allows the seat to lock throughout the angle range for perfect back support, Ratchet back height adjustment allows perfect positioning of the back cushion and lumbar support, Upright locking position, Pneumatic gas lift seat height adjustment, Adjustable tilt tension control, Large 27-inch nylon base for grater stability, hooded double wheel casters, Dimensions: Arm Height: 25.5-inch - 31.5-inch H, Back Size: 21-inch W x 20-inch H, Seat height: 19-inch - 22-inch H, Overall Dimensions: 32-inch W x 27-inch D x 40-inch - 45-inch H