General description The Master Lock ProSeries® Shrouded Shackle 54mm Padlock is engineered for the toughest security applications, offering enhanced protection against corrosion, abuse, and attacks. Its shrouded shackle design and durable xenoy outer casing ensure excellent weather resilience, making it suitable for various outdoor uses. Technical specifications Padlock type: Laminated steel Dimensions: 54mm Shackle material: Boron alloy Shackle diameter: 8mm Shackle length: 19mm Locking mechanism: Dual ball bearing Cylinder type: Precision 6-pin Key retaining: Yes Keyed alike: Yes Usage Suggested uses include: Gates Sheds Storage units Fences Containers Chains Other information Lifetime warranty against mechanical failure