Achieve your fitness goals with this comprehensive adjustable dumbbell system totaling 20 kg of premium equipment including 4 x 2.5 kg plates, 4 x 1.25 kg plates, 4 x 1 kg plates, 2 dumbbell bars, 4 spinlocks, and 1 barbell bar for ultimate versatility. The robust steel bars feature non-slip knurling surfaces ensuring secure, comfortable grips during intense workouts, while 4 spinlock collars eliminate plate rattling for smooth, quiet operation. Built with high-quality plastic coating and concrete and sand filling, this durable set handles various strength training exercises targeting arms, shoulders, chest, abdomen, back, and legs. Whether you're a beginner or experienced fitness enthusiast, the simple structure and included tools allow for fast assembly and disassembly, making home fitness more convenient and effective than ever.