https://locksandhardware.co.uk/security-ironmongery/mortice-locks/tubular-latches/
Tubular Latches | Internal Door Latches
Tubular latches for internal doors, available in 64mm and 76mm sizes. Designed for use with door handles and knobs for smooth closing action.
tubular latchesinternaldoor
https://www.zoohardware.co.uk/knowledge-bank/zdp-mol-001-eu-ztlka-series-mortice-tubular-latches/
ZDP-MOL-001-EU - ZTLKA Series Mortice Tubular Latches - Zoo Hardware
tubular latcheszdpmoleu
https://readyfixuk.co.uk/catalog/ironmongery-and-fittings/locks-latches-and-handles/tubular-latches
Tubular Latches | Readyfix
tubular latches
https://webironmongery.co.uk/product/eurospec-forend-strike-pack-for-tls-heavy-duty-tubular-latches-satin-stainless-steel/
Eurospec Forend & Strike Pack For Tls Heavy Duty Tubular Latches, Satin Stainless Steel - Web...