Y117D/50/162 - Yale Disc Padlock 50mm Yale Disc Padlock Range Features - Double ball locking - Reversible disc tumbler key - Square profile - Yale round key bow - Operating environment: indoor, mild outdoor (weatherproof) Material & Security Body material: Solid Brass Shackle material: Hardened Steel Padlock Size: 50mm No. of keys: 3 Security grading: 5 Corrosion rating: 3 Y125/60/133 - Yale Classic Series Outdoor Laminated Steel Padlock 60mm Y117D/45/127 - Yale Disc Padlock 45mm Y140/60 - Yale 140 Series Brass Padlock 60mm