#adAMZWL035#ad - If you are not sure then email sales@lockdoctor. Biz with a photo attached of the key or lockface. Pair of wl035 cotswold COT3 Window Keys. Lock doctor services Ltd provides a wide range of replacement keys and locks.
Yale#ad - Suitable for hinged timber casement windows. Pack of 4. Lock is surface fixed onto the window section and is locked around the frame fixed staple by use of the key. 2-year guarantee. A clenching action helps to pull the window to the frame to reduce draughts.