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 mmOverall height: 75 mmOverall depth: 25 mm Shackle width: 25 mm I.D.Shckle height: 25 mmShackle Dia: 8 mm