Transform your arm training instantly with Fat Gripz, the world’s leading thick bar adapter. Simply slide them onto any dumbbell or barbell to turn standard lifts into powerful grip and arm-building exercises. No new equipment required. The Ultimate Gym Accessory for Grip & Arm Strength Easy to Use: Instantly upgrade your workouts. Just open the slit and attach to any barbell, dumbbell, or pull-up bar. Highly Portable: Lightweight and compact; toss them in your gym bag for use anywhere. Fits Any Routine: Compatible with curls, presses, rows, pull-ups, and more. No need to change your program. Builds Grip & Arm Muscle: Thick bar training recruits more muscle fibers, forcing your arms to work harder and grow faster. Choose Your Challenge: Available in One, Pro, and Extreme Series to match every fitness level and goal. Which Fat Gripz Are Right for You? One Series Diameter: 1.75" Best for: Beginners and general thick bar training Ideal use: Everyday lifts and accessory work Pro Series (Most Popular) Diameter: 2.25" Best for: Intermediate to advanced lifters Ideal use: Bicep curls, presses, and axle bar training Extreme Series Diameter: 2.75" Best for: Elite strength athletes and strongman training Ideal use: Farmer’s walks, heavy dumbbell holds, and advanced grip training Why Fat Bar Training Works By increasing the diameter of the bar, Fat Gripz make you grip harder, activating more muscles through your forearms, biceps, and triceps. The result? Greater strength, muscle density, and endurance. All from the same exercises you already do. How to Use 1. Open the slit and place the Fat Gripz around your barbell, dumbbell, or handle. 2. Perform your normal exercises while gripping the thicker surface. 3. Remove and pack them up for your next session. Product Details Series Diameter Length Weight One Series 1.75 in 5 in 0.75 lb Pro Series 2.25 in 5 in 1.5 lb Extreme Series 2.75 in 5 in 2.25 lb Package Includes: 1 set of 2 Fat Gripz (choose One, Pro, or Extreme Series) FAQs How much do they weigh? Between 0.75 and 2.25 lbs, depending on the model. Built from virtually indestructible rubber. Will they spin on the bar? No, the dense rubber grips securely to barbells and dumbbells when used on proper diameters. Which size should I get? Start with One Series if you’re new to thick bar training. Choose Pro Series for balanced challenge and muscle building (most popular). Go with Extreme only if you’re an advanced or professional strength athlete.