Y110/35/121 - Yale Classic Series Outdoor Solid Brass Padlock 35mm with Multi-pack -Double locking shackle -Self-latching mechanism Body material: Solid Brass/Natural Shackle material: Hardened Steel No. of padlocks: 2 No. of keys: 3 Security grading: 3 Corrosion rating: Outdoor Body width MM: 35 Y110C/40/119 - Yale Classic Series Outdoor Solid Brass Closed Shackle Padlock 40mm Y110/30/117 - Yale Classic Series Outdoor Solid Brass Padlock 30mm with Multi-pack YE1/30 - Yale Essential Series Indoor Brass Standard/Long/Extra Long Shackle Padlock 30mm