HEAVY DUTY - Made from high-quality baron-alloy steel, that is strong, durable & reliable. Provides maximum security for outdoor & indoor environments. Size: 6cm x 4cm. Shackle: 17mm. 3 SPECIAL KEYS - The only anti-theft key & lock recommended by the Ministry of Public Security. Prevents master key hacking & successful lockpicking. Includes 3 keys giving you plenty of spares. SMOOTH LOCKING - Our smooth anti-corrosion locking mechanism is extremely easy to open & close, meaning you will never have to wrestle with your lock ever again! USES - Perfect for any outdoor & indoor environments. Great for gates, warehouses, bike chains, shutters, garage doors, lockers, or any exposed high risk areas. CE compliant & 100% recyclable. 1 YEAR GUARANTEE - Designed in Britain. We are so confident in our product that if you are not completely satisfied within 1 year, then contact us, & we will provide a full refund immediately., Manufacturer: SMITH'S 2015