The Towsafe Scale is an easy to store and compact product. It is manufactured from heavy-duty metal however is gentle on your RV’s coupling thanks to a soft rubber head. 
The gauge is easy to read handling up to 350kg. It has  been tested to the Australian Standards (AS/NZS ISO10012:2004).
Too much weight on your tow ball can cause excessive trailer sway, and low breaking ability. The laws vary between states however on-the-spot fines can be issued if you exceed the limit of your RV’s and vehicles’ tow ball weights.