Amazon.co.jp: Computer Chair Parts Office Chair Tilt Control Mechanism Maintenance Replacement Desk Chair Accessories (Size : A1) : Office Products
Amazon.co.jp: Eigell Steel Heavy Duty Tilt Control and Gas Lift, Office Chair Swivel Tilt Control Seat Mechanism for Desk Chair, Computer Chair, Task Chair Parts, Style a : Office Products
Tilt Control Mechanism Plate for Office & Task Chairs - Replacement Repair - S5679