TRANSFORM YOUR DUMBBELLS: Turn almost any dumbbell into a weight-adjustable barbell or kettlebell set with the Jayflex Hyperbell Bundle for home workouts and strength training. BARBELL AND KETTLEBELLS: Add versatility to your weight training with the dumbbell to barbell converter and rotating kettlebell adapter grip built for serious strength training workouts at home or in the gym. VARIETY OF EXERCISES: Expand the reach of your home workouts and upgrade your workout routines with bench press, kettlebell swings, deadlifts, squats, lunges, curls, rows, clean and jerk, military press, and many more exercises possible with the Jayflex Hyperbell Bundle. STRENGTH AND DURABILITY: Enjoy all the benefits of a full barbell set and complete kettlebell set for home gyms with limited space without compromising on strength and durability with the Hyperbell Barbell Bar and high-strength modular plastic dumbbell to barbell connector clamps tested for serious lifting. KETTLEBELLS ADJUSTABLE WEIGHT: Take advantage of a unique rotating comfort grip with adjustable kettlebells and kettlebell weights up to 100 lbs, turning your dumbbells into a strength training kettlebell set without any extra costs or space requirements.