1.Package Including: 6 PCS(3Set) Black Expanding Rubber (with One Expandable Ball) with 5cm Length Bolt and 2 Type Stainless Steel Gasket(12 Pack). 2 PCS(1Set)Black Expanding Rubber. Extra 6 rubber gasket for non-slip function.
2.Universal Fit: Hibbent toilet seat screws are suitable for Universal Toilet seat and can be installed on most TOTO, Kohler,American Standard Toilets and Others.
3.Extra Washers: Metal washers are stronger than plastic.And rubber washers can be used anti-slip.
4.Rubber Expandable Bungs: Theexpanding rubber bungs slide into the holes perfect and when you tighten the bolts they squash up in the holes making a good tight fit.
5.Size Information: Expansion ball diameter: Approx. 1.7cm/ 0.67 inch (unexpanded state). Length: Approx. 4 cm/ 1.57 inch. Great for broken or old toilet seat hinges. Fits for most standard toilet seats with top fix hinge.