1) 12 mm 4X4 Series wheel Snow Chains 2) Enjoy large sales in Europe and Japan. 3) Certificate: ISO2001 AND MODY Certificate snow chains,anti skid chains, tire chains KN TYPE 12MM (3.5MM CROSS CHAIN) AND 9MM (2.5MM CROSS CHAIN), TUV/GS CERTIFIED ,EUROPE STANDARD KN SERIES 12MM (3.5MM CROSS CHAIN) AND 9MM (2.5MM CROSS CHAIN), TUV/GS AND O NORM CERTIFIED , 4 by 4 VEHICLE SNOW CHAIN, USA STANDARD ...