Disabled Toilet Door Lock with Disabled Indicator Bolt in Satin Stainless Steel : Amazon.co.uk: DIY & Tools
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Lift To Lock Disabled Facility Toilet Door Lock & Handle Set | eBay
KAIISSA Fire Door Lock/FH Door Lock Complete Set of Fittings (Handle on Both Sides) + Lock (DIN Left/Right Latch and Bolt in The Middle) + Profile Cylinder, Stainless Steel Handle Lock Kit :
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