The ABUS 65 Series open shackle brass padlocks have a body which is made from solid brass, stainless steel shackle. The inner components are made from non-corrosive materials. The precision pin cylinder has mushroom counter pins with the paracentric key-way offering greater protection against manipulation. They are suitable for low to medium security requirements and are also suitable where a strong requirement for service performance and longevity is required. The padlock locking is automatic, it does not require a key. Security Level: 15-25 mm Level 330-35 mm Level 440-45 mm Level 550-70 mm Level 6Overall width: 50 mmOverall height: 77 mmOverall depth: 18 mm Shackle width: 28 mm I.D.Shckle height: 29 mmShackle Dia: 8 mm