Yale 10-2172-3030-00-2201 YC2100 DB 30X30 NI Locking Cylinder 30 x 30 mm for Outdoor/Entrance Doors, 10 Pins, 5 Keys, Nickel-Plated : Amazon.co.uk: DIY & Tools
Yale Platinum 3 Star Keys - Replacement Keys Ltd
Extra Keys Cut for Yale Platinum 3 Star Euro Cylinder Barrel Door Locks - Genuine Yale Key Cutting : Amazon.co.uk: DIY & Tools