General description Matlock Lock Block Brass Key Padlock - 63mm features a solid brass body and a molybdenum shackle, designed to provide medium to maximum security for both indoor and outdoor applications. It is suitable for use on store fronts, factory gates, large tool chests, and construction site storage. Technical specifications Body Material: Brass Body Thickness: 17.5mm Key Type: Keyed Different MFR Part No.: F606 Security Rating: 8 Shackle Diameter: 10mm Shackle Material: Brass Other information