ThanksThat could be a 'childproof latch or catch' 2 parts. Take a look at Toolstation or the like
Fowa or Fawo makers name I seem to recall.
Thanks I will get thesethese are childproof latches for kitchen units etc . you'll find them in Screwfix or similar https://www.toolstation.com/childpr...MI5OLA8uTd5AIVReh3Ch0Wdg6nEAQYASABEgLYt_D_BwE