Specification Main Color: Black - A timeless and elegant choice, the deep hue of black adds a touch of sophistication and versatility to any setting. Main Material: Steel - Renowned for its incredible strength and durability, steel ensures long-lasting performance and reliability. Details Product Features: Adjustable Dumbbell - Experience the ultimate in customizable fitness with our adjustable dumbbell, designed to cater to all your workout needs. Patent of Company - Proudly showcasing our innovation and commitment to excellence, our patented designs set us apart in the industry.