Total Shoulder Development: High-grade resistance cord system featuring 3-level Cross-Anchor workout bands with handles for targeted shoulder conditioning. Built-in handles let you switch resistance fast, for prehab and rehab to overhead mobility, stability, strength, and power. Athletic-Level Resistance: This set contains two each of our 7, 12, and 17 lb bands (6 bands total). Multiple Force Vectors mimic real-world movement and instabilities making it ideal for athletic handstands, overhead work, and repetitive overhead sports like swimming or volleyball.