TZY1-Q5 Driver Seat Technical parameters: Exterior size:(length,width,height)510×570×1290(mm) Under mounting size:304(front)×253ר12(Countersunk head screws)(mm) Rotate of angle adjustment:±30°±110°±180±360° Backrest of angle adjustment:80∼135° Up and down adjustment:130mm The back and forth movement of seat 190mm Other functions and features: The height of pillow is adjustable 5 steps.Inclination angle of armrest:stepless adjustment.The adjustable scope is 45°and it can be folded upward to 100°.The front and back movement of seat 190mm.The seat can be located at ±30°±110°±180°±360°,or can be rotated freely by 360°.Inclination of seat cushion:the front part of the cushion can be adjusted upward.Drivers seat backrest settings have clothes racks.