The PowerArc Resistance Cable system features a patented free motion cable slide design that allows the cables to rotate around the handle. This provides more exercise options than traditional resistance tubes and allows you to get the most out of your workout by engaging more muscle groups. The PowerArc system can be used for small, micro-movement exercises as well as big, multi-plane power moves. Great for use at home, the gym, or travel. DESIGN: Use up to 3 PowerArc cables to increase load up to 210 pounds of maximum resistance for full body training. USE ONLY WITH POWERARC RESISTANCE CABLES (SOLD SEPARATELY) Sliding cable movement allows for more exercise options than traditional handles Full range of motion with added challenge of cable slide Soft grip handle rotators for comfort Patented PowerArc free motion cable slide design allows cables to rotate around the handle to engage more muscles WARRANTY: Lifeline Fitness warrants that the products sold to be free of defects in materials and workmanship and to be in perfect working order at the time of purchase. If the product should, for any reason, become defective within 60 days of purchase, Lifeline will replace the product once it is returned to Lifeline. This warranty does not apply to any damage caused by accident, abuse or misuse of the product. There are no other warranties other than those expressly set forth within.