Jayefo Fitness isolator perfectly supports your elbows and enables you to keep the correct posture during curls.  It provides supreme comfort through our super padded, dense elbow pads, while allowing the user to reduce the momentum caused when preforming a standard curl. The Blaster Bar imitates the preacher curl movement while not requiring the user to sacrifice any space, as it is a portable piece of equipment. You will now be able to pump much faster to your biceps and forearms, allowing more energy to be used up-- increase your gains!Description: - Allows you to isolate your arm and shoulder muscle groups- Neoprene neck pad for comfort included- Heavy duty steel construction- Maximize your bicep and tricep workouts- Fully adjustable Velcro straps for custom workouts Specs: - Isolator width: 23 1/4"- Isolator height: 4"- Strap adjusts from 11" - 17"- Material: Solid steel- Max supported weight: 50 lb dumbbells or 100 lb curl bar