Product features The KTZY-4 type autoseat for the middle , hign-grade automotive design ,the main driving seat is suspending structure is made up of one hydraulic shock absorber and two tension springs .There is a rubber cover dustproof protection on the bottom socket to prevent sewage and dusts . Technical parameters Total height of seat: 1230mmWidth of seat cushion: 520mmWidth of seat backrest: 500mm Scope of Fore and Aft adjustment: 175mmMax load of the seat: 50kg-130kgSuspension stroke: 60mmScope of height adjustment: 60mm, range of inclination adjustment: ±12°Angle of seat backrest adjustment: -60° 80°Scope of headrest adjustment: 75mm(15mm×5), and can slope forwardsOptional accessories Headrest Adjustable armrest Seat beltLumbar support