Y110C/30/115 - Yale Classic Series Outdoor Solid Brass Closed Shackle Padlock 30mm -Closed Shackle -Double locking shackle -Self-latching mechanism Body material: Solid Brass/Natural Shackle material: Hardened Steel No. of padlocks: 1 No. of keys: 3 Security grading: 2 Corrosion rating: Outdoor Body width MM: 30 YE1/40 - Yale Essential Series Indoor Brass Standard/Long/Extra Long Shackle Padlock 40mm Y110/30/117 - Yale Classic Series Outdoor Solid Brass Padlock 30mm with Multi-pack Y110/40/123 - Yale Classic Series Outdoor Solid Brass Padlock 40mm with Multi-pack