WDONAY 4 Pack Toilet Seat Hinge Screws Black Universal Toilet Seats Fixing Expanding Rubber Top Nuts Toilet Seat Hinge for Top Mount

【Size】: Screw Size: M5 x 44mm/M5 x 1.73"(D*L); Expansion Ball Diameter: 18mm/0.71"., 【Package】: 4 x Toilet Seat Screws and Bolts., 【Flexible Rubber Bungs】: The rubber bungs slide perfectly into the hole, and when you tighten the bolts, they squeeze through the hole for a good tight fit., 【Quality Material】: Plastic washer will not rust like metal and the high quality rubber ensures stability, durability and long life., 【Application】Suitable for most of the standard toilets with top fixed foot chains.