Package includes: you will 10 pieces black toilet screws that have enough for you to replace old and broken screws and to use the toilet better in your . Durable material: these toilet screws are made of stainless steel and rubber, which are not easy to rust or broken, making these screws can last than others, and can you better experience. How to install: the toilet screw has a threaded section so you can just it into the holes on the top of the toilet , and when you tighten the screw, it can expand and tighten into the hole by itself, without using bolts to tighten the other end of the screw. Rubber design: the rubber bungs can into the holes easily, and when you tighten the bolts, they will squash up in the holes to make a fit, convenient to use. Universal fit: these screws fit for most standard toilet seats with top fixing hinge, especially suitable for 14 - 16 mm hole; And the way of installation is simple and convenient so they are choice for most toilets. Colour: black Material: rubber Size: 48mm Package Contents: 10 * Toilet screws Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.