1 x Boxed Squire SS65CS Stronghold Solid Steel Padlock 65mm Closed Shackle CEN6. The Squire SS65CS Stronghold Solid Steel Padlock 65mm Close Shackle has a 6 pin tumbler and offers up to 260, 000 different key variations. It has a secuirty rating of CEN 6. Specifications: Body Width: 65.0mm.Body Thickness: 31.8mm.Shackle Diameter: 12.7mm.Vertical Shackle Clearance: 19.0mm.Horizontal Shackle Clearance: 19.0mm.