* Professional swivel chair with high backrest, featuring a synchronous system, individually adjustable tension based on body weight, and lockable in various positions. * Extra large and comfortable molded seat, with seat depth adjustment. * "G3" height and width adjustable armrest, chrome. * High molded backrest with molding for the spine, extra thick padding, height adjustable in different positions via UP and DOWN system. * Seat height adjustable in different positions by Toplift (approved by LGA) * Extra wide oil-coated aluminum frame with double-braked safety casters, suitable for carpets. * Ideal for home work.* Seat material: 100% polyester. * This item is delivered unassembled.