Y117D/40/121 - Yale Disc Padlock 40mm 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: 40mm No. of keys: 3 Security grading: 4 Corrosion rating: 3 Y125/50/129 - Yale Classic Series Outdoor Laminated Steel Padlock 50mm Y120/50/163 - Yale Silver Series Outdoor Brass / Satin Long Shackle Padlock (Boron Shackle) Y140/30LS - Yale 140 Series Long Shackle Brass Padlock 30mm