Heavy-duty sling iron steel beaded egg ball designed for strength and precision in weightlifting and functional training. Premium cold-rolled steel construction with anti-rust electroplating ensures durability and corrosion resistance. Precision-crafted beaded surface enhances grip stability during dynamic movements. Available in versatile weights (3kg/5kg) and diameters (8/11/12/13/14/15mm) to accommodate varied fitness levels. Ideal for cross-training, rehab exercises, and strength conditioning in gyms or home workouts. Engineered with reinforced bow grain threading for impact resistance during high-intensity swings. Optimized weight distribution promotes controlled motion for kettlebell-style exercises. Professional-grade fitness tool trusted by trainers worldwide. Bulk pricing available for commercial gym equipment suppliers.