Features: 1. 100% brand new and high quality 2. Made of high quality material, durable and long service life 3. Small body and it is easy to install 4. Great fastener accessories for installing advertising logo and painting 5. Mainly used for installation of ice crystal painting and decorative wall Specification: Condition: 100% Brand New Material: Stainless Steel Optional Style: 16*20mm, 16*25mm, 16*30mm Operation Method: 1. First use the impact drill to drill holes where you need to fix the ice crystal painting 2. Select the appropriate plug or cork into the drilled hole 3. First screw off the decorative cap and then the self-tapping screws are used to fix the advertising nails on the wall. 4. According to the size, aperture and weight of the ice crystal painting, use the appropriate self-tapping screws to fix the advertising nails. It is necessary to consider the length, diameter and self-tapping nail cap size of the self-tapping screws. Package List: 4 * Glass Nails 4 * Self-tapping Screw(4*20) 4 * Rubber Plug 1、100% brand new and high quality. 2、Made of high quality material, durable and long service life 3、Small body and it is easy to install 4、Great fastener accessories for installing advertising logo and painting 5、Mainly used for installation of ice crystal painting and decorative wall