Material: Galvanized steel and plastic Bolt height: 2.75" (70mm) Thread diameter: 0.3" (7.8mm)< /p> Package Included: 6pcs x Toilet Seat Bolt 6pcs x Washers 6pcs x Plastic Nuts < p>[DURABLE CONSTRUCTION] - The toilet seat screws are made with premium quality steel and plastic for long term use, no slipping, no rusting and a perfect fit.The Hinge Bolts and Nuts Kit also includes metal washers and plastic lock nuts for a secure fit. [USEFUL TOILET HARDWARE] - Galvanized steel toilet seat hinge bolts and screws are much better than the plastic ones. Update your loss with a bolt with the Steel Toilet Seat Hinge Bolts, there will be no more wobbly toilet seats and the toilet seat nut/bolt won’t come off. lose have more. [WIDE COMPATIBILITY] - Toilet seat attachment replacement hinge bolts universally fit most toilet seats. Toilet hardware replacement bolts and nuts are compatible with TOTO, Kohler, American Standard toilets and others. [EASY TO INSTALL] - Toilet seat screw kit includes all