The ABUS 65 Series Marine Brass Padlocks have a body made from solid brass and a stainless steel shackle. The inner components are made from non-corrosive materials. Pin tumbler cylinder with anti-pick mushroom keys offers greater protection against manipulation. The padlock locks automatically, it does not require a key. They are suitable for low to medium security requirements and are also suitable where a strong requirement for service performance and longevity is required.This ABUS 65IB/30 Brass Marine Padlock has the following specification: ABUS Security Level: 4.Keyed Alike Key Reference: 6304. Shackle Width: 32mm.Shackle Height: 32mm.Shackle Diameter: 8mm. Overall Width: 16mm.Overall Height: 17.5mm.Overall Depth: 5mm.Additional Information:Padlock Type: BrassBody Width (mm): 30Shackle Diameter (mm): 5Shackle Height (mm): 17.5Shackle Width (mm): 16Drill Protection: No