Tubular Latch Super Heavy Duty 76mm 3" 57mm Backset EUROSPEC in Electro Brass - Carlisle Brass asm : Amazon.co.uk: DIY & Tools
Eurospec TLS Heavy Sprung (Heavy Duty) Tubular Mortice Door Catch Latch, Designed To Be Used With Unsprung Door Handles, Suitable For 30 & 60 Minute Fire Doors (3" - 76mm) : Amazon.co.uk:
EUROSPEC EASI-T FLAT LATCH 76MM SATIN STAINLESS STEEL - Locks & Latches - Isaac Lord