Products Products Padlock Extreme Environments Extreme Environments The Yale marine vessel-specific level padlock is very tight enough for industrial or commercial use. Heavy-duty, sturdy steel locks, sleek design and anti-collision protection cover make padlocks perform exceptionally well under extreme weather conditions or severe impact. Y300SS/63/127 - Yale Marine Series Steel Padlock 63mm 63mm marine series padlock, nautical grade, marine grade… Y90SS/45/129 - Yale Black Series Marine Grade Stainless Steel Padlock 47mm47mm professional series padlock, nautical grade, solid… 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… Y300SS/63/127 - Yale Black Series Padlock (Hardened Molybdenum Steel Shackle) 48 mm48mm black series padlock, molybdenum steel shackle, hard… Y290S/95/122 - Yale Black Series Hardened (Heavy Duty Hardened Steel Molybdenum Shackle) 95mm95mm black series padlock, horizontally open molybdenum s… Y300C/63/127 - Yale Black Series Hardened Steel Closed Shackle Padlock (Molybdenum Shackle)63mm professional series padlock, all-inclusive molybdenu… Y90B/45/129 - Yale Black Series Hardened Steel (Black)