Pump up your workout to a whole new level by instantly converting dumbbells, kettle bells, or any other bar into fat grips with Grenadier Grips. With Grenadier Grips, you'll feel the explosive power of using more muscle fibers in your upper body and build more strength faster. Made from high-grade elastomer polymer, Grenadier Grips won't split or crack. Increase your training intensity with the next generation of fat grip training.