The HOMCOM 30kg Dumbbell & Barbell is a versatile product, it can help you build your body. Assembly takes just a few seconds, quickly alternate between dumbbell and barbell exercises to focus on muscle strength, endurance, or cardiovascular health. It is very resistant to compression and abrasion, the material of iron sand and Polypropylene ensures the service life of the product.Features:● Just takes a few seconds to assemble it, then you can focus on exercise ● Quickly alternate between dumbbell and barbell. ● Iron sand with PP plastic to avoid damaging the floor and is suitable for home use ● A high-quality soft paaded grip produces good force friction while increasing comfort and safety ● The product is very resistant to compression and abrasion and has a long service life ● Ideal for physical exercise: Helps condition and shape arms, shoulders, back, and strengthen muscles ● Can be used in home, gym and sports area