b'SmartBell Precision Fun and easy-to-use, SmartBellsRotator Discsare ideal for toning, sculptingNext generation Rotator and range-of-motion work.Discs offer progressive spring Ergonomically-shaped, dual- resistance, and traditional handed grips are safe and secure.functionality with no resistance.Sold individually.Starting at $34 USResistance Part # Cost1.5lb (0.7kg), Gray 12939 $20 US1.5lb (0.7kg), Blue 12938 $20 US1.5lb (0.7kg), Purple 12937 $20 US1.5lb (0.7kg), Green 12936 $20 USLEARN MORE ATpilates.com3 3 resistance levels: light for upper body training; heavy for lower body work; and no resistance for traditional rotator disc exercises 3 Longer lasting, top-quality ABS construction (maximum weight capacity is 500lb (277kg)3 9 (23cm) and 12 (30cm) diameters, with built-in markers to measure range of motion3 Strengthen end-range of motion and improve joint support and stability3 Identifies strength imbalances between limbs 3 Rotator Discs for CoreAlign and Jumpboards, and Rotator Disc Pads, also availableDiscs are not adjustable. Each provides 1 resistance option.76'