Screws and 4 bolts are included. - uses - all parts are made of stainless steel. high-quality material for smooth surfaces, such as ceramics, pvc cabinets, tiles, marble, metal, and glass. - toilet paper holder size: 14 cm, 7 cm wide, and 7 cm high (all toilet paper brands are suitable). there are more than 10 stocks available. the price is based on a 40 cm board sold with a kitchen towel. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.