
Classic Four-Rib Cast Iron Black Weight Plates for Barbells & Dumbbells - 15kg. Durable Cast Iron Construction: Made of high-density solid cast iron with thickened edges to resist impact and deformation. Anti-Slip Four-Rib Design: Four raised ribs increase friction to prevent slipping during weightlifting and squats. Precision Fit for Standard Bars: Smooth inner hole ensures perfect fit for 50mm standard barbells with no shaking. SGS Certified Quality: Globally recognized certification for performance, safety, durability, and environmental compliance. Secure Export Packaging: Standard export cartons with reinforced edges ensure goods remain safe during long-distance transport. Multiple Weight Options: Available in 1.25kg to 25kg specifications to meet various training stages and intensity needs. Customizable Packaging: Offer customized carton sizes, labels, and packaging solutions for diverse market requirements. Flexible OEM/ODM Services: Supports full customization, minor customization, and flexible customization from samples or designs.