The ABUS 183AL Aluminium Combination Lock is ideal for securing items/goods of medium value or where there is an average risk of theft. It has an aluminium lock body, whilst the code dials and internal components are made of stainless steel. Making this lock weatherproof and suitable for outdoor use. Another advantage is you can replace the shackle so the lock can quickly be adapted to individual requirements. The five code dials allow 100, 000 different combinations, thus increasing the locks security. Its precision locking mechanism also provides greater protection against picking. Specifications: Overall Width: 47mm. Overall Height: 110mm. Overall Depth: 20mm. Shackle Width: 24mm. Shackle Height: 36mm. Shackle Diameter: 8mm. Global Protection System Security Level: 8. Technical Specs Overall Width: 47mm Overall Height: 110mm Overall Depth: 20mm Shackle Width: 24mm Shackle Height: 36mm Shackle Diameter: 8mm Global Protection System Security Level: 8