• Higher strength to weight ratio with aluminum alloys and I-beam cross section
• Extra set of guide-ways built-in
• More compact than most ball screw driven stages
• Resistant to impact loads
• Natural wiping action expels debris
• Gradual wear versus sudden failure of rolling element type screws and guide-ways
• Corrosion resistant
• Operate without lubrication
• Fewer parts
• Lower cost
• Higher strength to weight ratio with aluminum alloys and I-beam cross section
• Much lower friction
• Less wear
• Operate without Lubricants
• Corrosion resistant
• Extra set of guide-ways built-in