Solid and durable rubber encased with a high-quality cast iron core. Chrome-plated knurled handle for a secure grip. No maintenance needed long-lasting finish prevents rust. Flat hexagonal surfaces stop rolling, while the knurled handle prevents slipping. Perfect for home gyms or commercial use. Build muscle, gain strength, and sculpt your arms, shoulders, and back. Dumbbells are ideal for toning, improving balance, and overall fitness. Use them for aerobics, cardio, yoga, and strength training. Achieve a toned back, flat abs, and strong arms with these versatile weights. Great for fitness, weight loss, and strength-building. Available in pairs: 3lb, 5lb, 8lb, 10lb, 12lb, 15lb, 20lb, 25lb, 30lb, 35lb, 40lb, 45lb, 50lb, 55lb, 60lb, 65lb, 70lb, 75lb, 80lb, 85lb, 90lb, 95lb, and 100lb. These dumbbells make excellent gifts for fitness enthusiasts.