Isolating each finger so it can be exercised individually, the patented Gripmaster strengthens hands, wrist, and forearm with spring-loaded piston technology while ensuring the palm doesn't slip from a molded grip. This model offers medium

The large cushioned rotating handle, paired with strong, durable nylon strapping creates one of the best handles on the market. Cushioned Grip Handles: Yellow Tube: Light offers 6 lbs. resistance @ 200% stretch. Green Tube: Medium offers 8.5 lbs. resistance @ 200% stretch. Use them individually or together 18 inch tubing. Case Pack 12

This J-Fit replacement tube is 18 inches long and offers six pounds of resistance, with 200 percent stretch. Case Pack 24

This J-Fit replacement tube is four feet long and offers 8.5 pounds of resistance with a 200 percent stretch! Case Pack 24

Americas Boutique Suppliers Item Advanced Sculpt Tube. The mommymuscle tube uses the patented Slastix technology - revolutionizing the way you workout with resistance tubing. Slasitx Toners are better than traditional "NAKED" tubing for increased safety and comfort. Tubing is protected from wear, nicks and cuts and being over stretched. With 26 lbs of Advanced Sculpt Tube resistance, you're now ready to build strength and long lean muscle! Case Pack 12