Office Chair Back Hinge Bracket & Tension Knob Replacement

Introduction

Restore precise backrest height adjustment on your office chair with this dedicated back hinge bracket and tension knob replacement. Crafted for chairs that use a vertical adjustment via the back upright, this black female knob unit provides a reliable, easy-to-install solution.

Features

• Replacement back hinge bracket and tension knob designed for chairs with vertical back adjustment.
• Knob is a black female knob, supplying a clean, unobtrusive look on most office chairs.
• Screw diameter: 0.39 inches (9.9 mm).
• Threading: M10 x 1.0, ensuring a standard fit for compatible back uprights.
• Attaches to the back upright to enable smooth vertical adjustment of the chair back.
• Product code S2492 for easy reference and ordering.

Benefits

• Brings backrest height adjustment back into precise, secure operation, improving ergonomic comfort during long workdays.
• Simple replacement that avoids the need for full chair replacement or complex hardware swaps.
• Standard M10 x 1.0 threading and a 0.39" screw diameter make compatibility straightforward for chairs with this spec.
• Discrete black finish helps the part blend with a wide range of chair designs and colors.
• Ideal for repair technicians, facility managers, and DIY users looking to extend the life of their seating without downtime.

For bulk purchases, please email us for a volume discount quote. This targeted replacement is a practical, durable option to restore function and comfort to your workspace seating.