SMART ADJUSTABLE WEIGHT RANGE IN 15 GEARS (2.5–24KG): Quick dial system lets you switch weights instantly between 2.5 kg, 3.5 kg, 4.5 kg, 5.5 kg, 6.5 kg, 8 kg, 9 kg, 10 kg, 11.5 kg, 13.5 kg, 16 kg, 18 kg, 20.5 kg, 22.5 kg, 24 kg for smooth transitions during workouts. 17 Gears system, ideal for home gym strength and fitness training. SPACESAVING 15IN1 DUMBBELL SET: Replaces multiple fixed dumbbells with one compact, heavyduty adjustable weight set. for small home gyms, no bulky racks or extra equipment needed. HEAVYDUTY CAST IRON BUILD: Durable steel and cast iron plates ensure longlasting performance. Nonslip ergonomic handle offers a secure grip for safe, comfortable strength workouts. FAST / SECURE QUICKADJUST DESIGN: Turn the dial to change weight levels instantly. The secure locking mechanism keeps plates stable during intense training, safer than loose dumbbell sets.