Upgrades your chair with our Heavy Duty Chair Tilt Base, designed for durability and long term use, ensuring a stable and comfortable seating Ensures compatibility by checking bolt pattern and before purchase, and enjoy the peace mind that comes with robusts and versatilitys chair component Ideal for workers, home users, and anyone needing to replace their chair ' s tilt mechanism, providing reliability for daily activities Perfect for various setting such as offices, home study rooms, or any workspaces requiring dependable chair, enhancing both comfort and productivity Crafted from high strength steel, this tilt base features a 3.94x3.94inch / 5.51x5.51inch mounting hole pattern, allowing easy height and backward inclination tension control with a simple handwheel twist