The UNNMIIY 4-in-1 adjustable weight set combines dumbbells, barbells, kettlebells, and a prone push-up mode to support diverse strength training exercises like bench presses and squats. Constructed with durable materials including a cement and iron sand exterior and a core blend of iron, mud, and sand, it protects your floors from damage. The handle features 20mm thick high-quality foam with an ergonomic curve for a non-slip, sweat-absorbent grip that enhances comfort. The ABS dumbbell bars have a textured surface to improve control, while upgraded locking nuts ensure weight stability and safety during workouts. With adjustable weights ranging from 2 to 22.5 lbs and a compact design, this set adapts efficiently to varying training needs.