Universal Security Rack Bolt Key, Star Deadbolt Rack Door Lock - Black Brass, Replace Lost Star Keys for Window Frame Lock, Easy Install and Durable Performance (Pack of 2) : Amazon.co.uk: DIY
TSS Mortice (Rack) Door or Window Bolt Spline (Star) Key Only - Plastic or Metal Head - Locks & Hardware Direct
35mm YALE SECURITY BOLT KEY Star Door Window Standard Interior Lock Universal UK 5010608144476 | eBay
Greenteq Q Star TS007 1 Star Double Euro Cylinder - Solid As A Lock Hardware
Yale Platinum 3 Star Key – The Lock Shop – Whittlesey
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Satin Branded Security Dead Bolt & Star Key Door/Window Frame Lock : Amazon.co.uk: DIY & Tools
2X Silver Security Door Bolts with Fitting and Star Key Secure Strong Dead Lock : Amazon.co.uk: DIY & Tools