no drilling required by nie wieder bohren is a line of premium accessories for tile, stone, glass, metal, wood and plastics which mount without drilling using a patented German-made mounting system. The system requires no tools, no measuring, and no holes. As a bonus, the system is removable if needed with no damage to your fine surfaces. We also offer an optional patented dry wall mounting system that installs with a simple phillips screwdriver! This option is available for all Bath Hardware items. Ideal if you need some items for premium surfaces and some to mount on dry wall surfaces.