1 material:PE .2 colour :white , grey(other colour are availables as requested.).3 Drill a hole in the wall, drive it in diretly specifications:5mm,6mm,7mm,8mm,10mm,12mmITEM NOLONG(MM)Diameter(mm)IN-DIAMETER(MM)PACKINGEN-0629.864.9100pcsEN-0838.67.95.3EN-1042.79.95.8EN-1247.911.66.3 expand nails