Y90S - Maximum Security Padlock Specifications:Heavy duty hardened steel lock to withstand the toughest conditionsDouble ball locking mechanism for increased securityMolybdenum shackle constructionHigh security anti-drill cylinderFeatures:Key retention in the unlocked positionKey to unlockRe-keyable cylinderHigh corrosion resistance to withstand extreme weather conditions Ordering Options Y90S/45/129/1 Maximum Security Steel Padlock 45mm Close Y290S - Maximum Security Shutter Padlock Y210C - Steel Padlock Closed Shackle Y220 - Weatherproof Padlock