Upgrade your office chair with this heavy-duty chair mechanism, designed for smooth tilt and recline adjustment. This universal chair base replacement fits most office chairs, providing enhanced durability and comfort. Featuring a sturdy metal construction, an easy-to-use tilt tension control knob, and a lever for height adjustment, this mechanism ensures a customizable seating experience. Perfect for home and office use, it offers ergonomic support and extends the lifespan of your chair. Easy to install and built to last! ✔ Heavy-Duty Construction – Made from durable metal for long-lasting performance. ✔ Adjustable Tilt & Recline – Allows smooth reclining and tilt tension control for ergonomic comfort. ✔ Universal Compatibility – Fits most office chairs with a standard mounting hole pattern. ✔ Height Adjustment Lever – Enables easy seat height customization for optimal posture. ✔ Tilt Tension Control Knob – Adjusts the resistance of the chair’s tilt for personalized comfort. ✔ Sturdy & Stable Design – Ensures enhanced support and weight capacity. ✔ Easy Installation – Comes with mounting points for quick and hassle-free setup.