Size Information: Expansion ball diameter: Approx. 1.7cm/ 0.67 inch (unexpanded state). Length: Approx. 7cm/ 2.76 inch. Great for broken or old toilet seat hinges. Fits for most standard toilet seats with top fix hinge.
Extra Washers: Metal washers are stronger than plastic. And rubber washers can be used anti-slip.
Universal Fit: Hibbent toilet seat screws are suitable for Universal Toilet seat and can be installed on most TOTO.
Rubber Expandable Bungs: The expanding rubber bungs slide into the holes suitable and when you tighten the bolts they squash up in the holes making a good tight fit.
Package includes: 6 pieces (3 sets) of black expanding rubber with two expandable balls, 7cm length bolt, and 2 types of stainless steel gaskets (12 pack). Includes an additional 6 rubber washers for added non-slip functionality.