Y124/70/115 - Yale Silver Series Outdoor Brass / Satin Straight Shackle Padlock (Boron Shackle) 70mm -Tough new satin chrome plated finishes -Single locking shackle -Self-latching 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: 70 Y122/50/123 - Yale Silver Series Outdoor Brass / Satin Closed Shackle Padlock (Boron Shackle) Y140/20 - Yale 140 Series Brass Padlock 20mm Y121/50/132 - Yale Classic Series Outdoor Black Plastic Covered Brass Padlock (Boron Shackle) 50mm