The ABUS 180IB Series Marine Grade (Weatherproof) Combination Padlock with a 4-digit resettable combination. Body made from solid forged brass and features a stainless steel shackle and non-corrosive inner components. Precision locking mechanism with special protection against manipulation. Low to medium security requirement where convenience of use is a high priority (e.g. schools, companies) Overall width 53 mm Overall height 113 mm Overall depth 25 mm Shackle width 25 mm I.D. Shackle height 63 mm Shackle Dia 8 mm