Optimal compatibility: Our toilet seat screws are suitable for the most toilet seat and can be installed on most TOTO. Suitable for your toilet seat repair or replacement work Easy installation:The toilet seat hinge bolts can be installed in just a few minutes. When you press the expanding bolt into the hole and tighten the screw, it will expand and tighten into the hole without having to screw on the other bolt Toilet Seat Bolt Kit: Made of rubber and stainless steel material, provides you with heavy duty and reliable toilet screw and bolt replacement kit Package Including: Two pack black expanding toilet seats Bolt Screw with 2 black expanding ball rubber, 2 extra long nuts and 2 Stainless Steel Gasket. Extra 2 rubber washer for non-slip function. Universal Style: This toilet seat bolt and nut kit is suitable for Universal Toilet Seat. Compatible with TOTO, American Standard,Gerber, Kohler Toilets and so on iFealclear toilet seat screws are suitable for Toilet seat and can be installed on most TOTO.Suitable for your toilet seat repair or replacement work Package Including: 2 pack black expanding toilet seats Bolt Screw with 2 black expanding ball rubber, 2 extra long nuts and 2 Stainless Steel Gasket. Extra 2 rubber washer for non-slip function.