Bolt through Internal Door Latch (to suit a polished chrome finish) L0157PZ | eBay
60mm Light Latch | Antique Brass | Door Accessories – Corston Europe
XFORT 2 Pack 75mm Satin Chrome Tubular Latch, Mortice Door Latch | DIY at B&Q
Internal Door Latch Pack Bedroom
Bolt through Tubular Mortice Door Latch 63mm Satin Nickel Plated - Handle King UK
UK Door Handles- Round Door latches.
Matt Black 3" Heavy Duty Internal Door Latch - UK Oak Doors™
Tubular Door Latch for interior door handles
Atlantic Elite 3" Magnetic Tubular Latch Polished Chrome | Atlantic Handles | The Posh Door Company
Magnetic Tubular Latch | Doordeals
Union Mortice Interior Door Latch | Savoy Timber
2 Pcs Door Latches for Internal Door, Door Latch, Tubular Latch, Internal Door Latch, Door Lock, Door Catches for Internal Doors, Suitable for Internal Used of Sprung Lever Door Handles(40mm) : Amazon.co.uk:
Mortice Door Latch for Internal Doors with Polished Finish - 57mm or 45mm | eBay
Carlisle Brass Tubular Mortice Latch With Bolt Through Facility 76mm Nickel – Myers Building Supplies
Manhattan Ball Latch Pre-Finished Internal Door Fittings by LPD Doors | Door Station