The Burg-Wächter 2M bike chain is ideal for securing you valuable bike or belongings. The chain is made from case hardened steel which is hacksaw and bolt cropper resistant. The chain is Sold Secure gold rated for cycles & silver for motorcycles. 2M Chain Hardened Steel Construction Zinc Plated & Passivated for Maximum Corrosion Resistance Supplied with Flexible Polyester Black Sleeve to Prevent Scratches & Damage to Belongings Hardened Steel Chain for Maximum Protection from Attack Meets Gold Level of Sold Secure; Most Insurance Companies Require to Cover Property Away from Home 2M Chain Hardened Steel Construction Zinc Plated & Passivated for Maximum Corrosion Resistance Supplied with Flexible Polyester Black Sleeve to Prevent Scratches & Damage to Belongings Hardened Steel Chain for Maximum Protection from Attack Meets Gold Level of Sold Secure; Most Insurance Companies Require to Cover Property Away from Home