Update on a classic! All the resistance tubing from Power Systems is produced using a unique layering process that improves longevity in commercial or institutional settings.Tubes help to strengthen muscles, improve balance, and prevent injuries OR help in recovery. Perfect for personal training and for use in fitness clubs and home gyms; Six resistance levels for any user. Plastic handles. 48″ long. Racks available. Features: Available in 6 different resistance levels – Extra-Light through Ultra-Heavy. 48″ tubing with PVC handles, Premium available. Portable and lightweight, great for travel and personal trainers. Allows exercises on multiple planes of movement, targeting more muscles in both upper and lower body Contains Latex. Resistance Level. Color Resistance Range Extra Light Orange 4 – 8 lbs. Light Lime Green 5 – 13 lbs. Medium Red 8 – 16 lbs. Heavy Light Blue 11 – 22 lbs. Extra Heavy Purple 13 – 27 lbs. Ultra Heavy Gray 15 – 31 lbs.