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. Racks available. Available in 6 different resistance levels - Extra-Light through Ultra-Heavy. 48" tubing with premium padded grips for added comfort. 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. Medium Resistance is red in color and has a resistance range of 8 to 16 lbs.