Replacement Adapter  set for No Drill Grab Bar for use on tile, stone, glass or metal, wood concrete, brick and most plastics.The system consists of a patented adapter and commercial adhesive used in the German auto industry. The system is simple, safe and secure. Installation takes just a few minutes and requires no tools and no drilling into those expensive walls! As a bonus, the system is removable with no damage to the surface. No more worries about water damage, cracked tiles, resale value concerns, landlord restrictions and remodel restrictions.