PerfeCore Thick Grip Barbell Grips - Easily Convert Barbells, Weight Bars, and Kettlebells to a Wider Fat Grip For Increased Muscle Gain - Boost Workout and Strength Training, CrossFit, WOD, Weight Training - Made from Durable, Heavy Duty High Density Materials - Intensify Forearm, Bicep, Tricep, and Chest Workouts - Great For Travel - 100% Money Back Guarantee