You are here: Products / Padlock / Extreme Environments / Y300C/63/127 - Yale Black Series Hardened Steel Closed Shackle Padlock (Molybdenum Shackle) Y300C/63/127 - Yale Black Series Hardened Steel Closed Shackle Padlock (Molybdenum Shackle) Product Features and Benefits Highest security padlock for marine/extreme conditions High corrosion resistance Heavy duty hardened steel body with Molybdenum steel shackles Security rating between 7 & 10 Re-keyable cylinder Closed shackle Double locking shackle Ball bearing locking mechanism Product Specification Model: Y300C/63/127 Security level: 8 Lock width: 63 mm Lock material: heavy hardened steel Locking ring material: molybdenum steel Key: three Corrosion resistance: suitable for harsh environments and extreme weather Close Y300/63/127 - Yale Black Series Hardened Steel Padlock (Molybdenum Shackle) 63mm63mm professional series padlock, molybdenum steel lock r… Y300SS/63/127 - Yale Black Series Padlock (Heavy Duty Hardened Molybdenum Steel Shackle) 63 mm70mm professional series padlock, molybdenum steel shackl… Y90SS/45/129 - Yale Black Series Marine Grade Stainless Steel Padlock 47mm47mm professional series padlock, nautical grade, solid…