This stuff seems to dry faster than the JB Stick - which is both good and bad.  Once you have mixed it in your hands, you have about5 minutes or so to shape it before it starts to hardens so I try and use 1/2 - 1 inch "slices" of the roll - unless I obviously need a bigger piece for one project.  Better to go with smaller pieces for multiple locations so that you don't end up wasting it if it hardens too soon.  I use it for all kinds of stuff.  Adheres to just about anything including metal, plastic, wood, etc.