The ABUS 145 Series Aluminium Combination Padlocks feature resettable combinations The lock body is made from solid aluminium with an anodized coating that is corrosion resistant Fitted with a spring loaded steel shackle for better setting of the opening code As the padlocks are secured by means of a 3-digit or 4-digit number combination that can be set individually they are ideal for use in the leisure industry as there is no need to carry a key They are also ideal for securing items of luggage or tool boxes 20-30mm 3 digit combination to secure valuablesgoods of lesser value or at a low risk of theft 40mm 4 digit combination to secure valuablesgoods of medium value or at an average risk of theft