To locate the studs in the wall, you can use a stud finder. Once you've located the studs, position the grab bars so that they are securely anchored into these structural elements.
For residential use, grab rails typically have diameters ranging from 32mm to 38mm. This size is considered comfortable for most users to grasp securely.
Installing grab rails is a proactive measure to enhance safety and accessibility, and there are various situations where it is advisable to consider their installation.