Faetures:Product Name: No-Punching s-adhesive strong hanging nailThe bracket can be fixed without tools and perforations, so it will not damage the wall.It can be taken at any time without leaving any traces.Solid and stable, do not worry about falling.Suitable for most wall surfaces, can be used for hard walls without powder.Waterproof, oil proof, high temperature resistant, temperature will not affect its adhesion at 40 °C.Specifications:Material: PVCSticker size: About 5cm * 8cm.Screw length: 6-16mm.Screw size: 4mm diameter, 6 different screw lengths to choose from (6mm,8mm, 10mm, 12mm, 14mm, 16mm)The correct screw length is recommended:6mm:suitable for brackets with a thickne of 1-3mm8mm: suitable for brackets with a thickne of 1-5mm10mm: suitable for brackets with a thickne of 1-7mm12mm: suitable for brackets with a thickne of 1-9mm14mm: suitable for brackets with a thickne of 1-11mm16mm: suitable for brackets with a thickne of 1-13mmHow to use?* 1. Clean the oil/dust/water on the surface and p the item on the wall to determine the position.* 2. Mark the position of the hole with a pen.* 3. Uncover the transparent protective film on the back of the patch.* 4. Install the center of the screw to the center of the mark to remove air from the hook.* 5. Paste the hooks one by one and check if the installation is safe.* 6. Wait an hour for better results.