The Ultra 410 Combo is compact and combines high-quality materials with intelligent locking technology.Thieves will have a hard time trying to make off with your bike: The Ultra Mini 410 U-Lock just can't be broken! What features does it have to protect against theft? A 12mm thick rounded shackle which is made of specially hardened steel just like the body and structural parts of the locking mechanism.Don't care about the packaging? Then this product is for you! Get new products at a killer deal with the only difference being that the packaging is damaged.