Revitalize your Aeron chair with this premium Pivoting Arm Index Hardware replacement. When your armrests become loose or unstable, this precision-engineered component is the solution you need. Crafted from industrial-grade Nylon , this replacement part delivers superior strength and durability compared to standard plastic alternatives. The meticulous design ensures a perfect fit for classic Aeron models, restoring the smooth, firm pivoting action your armrests should have. No more struggling with sagging arms that compromise your ergonomic seating position. Installation is straightforward, allowing you to repair your high-end task chair yourself without expensive service calls. Measuring just 1.95" x 3.27" x 0.19" and weighing under half an ounce, this small but mighty component will have your chair functioning like new again. Proudly made in the USA, this Takteq replacement part is built to last, ensuring your premium office chair continues providing the comfort and support you expect.