Union 2277 3 Lever Mortice Sashlocks from only £18.50
3 Lever 75mm Mortice Sash Door Lock 3 Brass 2 Keys & - Etsy
Fire Rated 3 Lever Mortice Internal Sash Door Lock 2.5 INCH 3 - Etsy
Door Locks Explained: 3 lever vs 5 lever sash locks
3 Lever Mortice Door Sash lock 2.5 Inch Chrome Inch With 2 Extra Keys Nickel Box | eBay
Door Locks Explained: 3 lever vs 5 lever sash locks
Yale P-M320-PB-78 3 Lever Mortice Sashlock, Visi Pack, Suitable for Internal Doors, Brass Finish, 3 Inch/76 mm - Door Lock Replacement Parts - Amazon.com