
12 mm Snow Chain Kn40. Durable Material Composition: Constructed from 40mn, 40cr, 45mn alloy steel or SUS304 for superior strength. Customizable Surface Finish: Available in Shot Peening, Black, Blue, or Original surface treatments. Comprehensive Warranty: Includes 1-year warranty and 1-year after-sales service coverage. Versatile Heat Treatment: Offers Carburizing, Austemper Stressing, and Nitro-Caburizing options. Global Certification Standards: Meets ISO, ANSI, DIN, and BS international safety and quality standards. Secure Packaging Options: Packaged in plastic bags, carton boxes, plywood cases, reels, or pallets. Optimal Winter Traction: Designed for maximum stability and safety on snow and icy roads. Flexible Shipping Ports: Available for shipment from any sea port or airport in China.