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 Y117D/60/127 - Yale Disc Padlock 60mm Y117D/45/152 - Yale Disc Padlock 45mm Y210C/38/127 - Yale Silver Series Outdoor Satin Steel Closed Shackle Padlock (Boron Shackle) 38mm