The henry squire the toughlock re codeable combination padlocks have die cast lock bodies with solid steel shackles that are stronger heavier and cheaper than brass equivalents with no keys to lose there are 3 wheels on the 20mm and 30mm versions offering 1000 possible combinations there are 4 wheels on the 40mm version giving 10000 possible combinations 10 year guarantee security advice consider the value of property to be protected choose a padlock of suitable security rating use a padlock fit