Size : 30 mm. Colour : Blue. 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 valuables/goods of lesser value or at a low risk of theft. 40mm: 4 digit combination, to secure valuables/goods of medium value or at an average risk of theft. ABUS MechanicalA21B0053