Swivl-Eze is the #1 supplier of 3/4" pin seating hardware because the 3/4" system gives you outstanding economical performance and the design is proven by decades of experience. The patented Lock'N-Pin system leads the industry in safety, preventing unintention detachment for seat mounts, posts and bases. Lock'N-Pin products exceed ABYC Standard H3.6.1. Pedestal kit includes aluminum post, black e-coat seat mount with spring and base plate. Not recommended to interchange with other manufacturers' products.