Y210C/51/127 - Yale Silver Series Outdoor Satin Steel Closed Shackle Padlock (Boron Shackle) 51mm -Tough new satin chrome plated finish -Closed shackle -Double locking shackle -Ball bearing locking mechanism Body material: Solid Brass/Satin Chrome Shackle material: Boron Steel No. of padlocks: 1 No. of keys: 3 Security grading: 6 Corrosion rating: Outdoor Body width MM: 51 Downloads Yale-Padlocks-Leaflet (.pdf, 611 kB) Yale-Y-Series-Padlocks-Catalog_Part1 (.pdf, 2.4 MB) Yale-Y-Series-Padlocks-Catalog_Part2 (.pdf, 2.9 MB) Close Y221/52/125 - Yale Classic Series Weather Resistant Laminated Steel Closed Shackle Padlock 52mm Y117D/40/121 - Yale Disc Padlock 40mm Y120/60/135 - Yale Silver Series Outdoor Brass / Satin Padlock (Boron Shackle) 60mm