They’re as old as the hills, but when it comes to securing your bike or your shed, padlocks remain the simplest solution. But they’re not all created equally: and any canny thief will tell you that some padlock are far easier to break or pick than others. We’ve put together this list of the top padlocks available on the market. These tough little locks are particularly difficult to break, and they’re suitable for a range of situations. And while some models are pricier than others, they all offer excellent value for money in terms of what they deliver. Also, we’ve put together a guide that tells you the chiefs differences between padlocks, and what you should keep an eye out for when you buy one. Materials and design – With a padlock made from cheap materials, a thief can easily break it with simple tools such as a hammer, whereas a well-engineered padlock made from the likes of alloy steel or brass is a lot stronger and more theft-proof. Padlocks made from reinforced construction methods are best, as are those that include ball bearings. If you’re using your padlock outside, a weatherproof padlock is essential and if you’re using it around water –...