Not for the average user. Start with the White Roller. The Orange Roller is is an extremely hard roller that provides hard-core therapy for individuals with heavily muscled arms and not recommended for bodies with low muscle mass or tender tissue. It is the "lacrosse ball" of the 4 rollers, providing intense Trigger Point Therapy and Cross-Fiber Friction. Enjoyed by bodybuilders, CrossFitters and professional athletes.
This is an extremely hard roller. Start with the Armaid Basic and its White Roller.