Swivel Tilt Chair Base Plate with Adjustment Backrest ,Recline Control for Gaming Chairs Desk Chairs Office

Description: Steel chassis:Control the back of the backrest and the lift of the seat cushion to meet the needs of different sitting postures. The hardness of high strength alloys is guaranteed. Function: backrest lift adjustment knob, back adjustment handle, lift adjustment handle Easy to Remove and Install: even non professionals can install this accessory Solid Interface:Connect the air, let you sit more at ease Replacement Mechanism Tilt Control: Fits most gaming, executive and office swivel chairs Size Chart: 30cm/11.81inch Package Includes: Replacement Note: Please allow slightly errors due to manual measurement and different monitors.