1. Scientifically designed; The nut has a self-locking function that is more stable than normal screws, will not wobbling around the toilet seat.
2. Toilet parts has a sturdy construction of plastic,which with amazing structural strength and durability, You don't need to worry about the ugly rust of the hinges and toilet.
3. Replacement bolts for top mount toilet seat hinge, White finish, Easy to install.
4. Provide 2 types of screws and 2 types of nuts, there is always one that fits your toilet