Carlisle Brass BTL30 BTL30MB CE B/T Tubular MORTICE Latch Square, Matt Black, 76mm / 3" - Amazon.com
Tubular Latch Radius 76mm Ztla76rss - Etsy
80/20 Inc. - Deadbolt with Side Door Latch: 76 mm OAL, 38 mm OAW, Aluminum (Body) & Stainless Steel (Bolt, Spring & Handle), Anodized Finish - 75088971 - MSC Industrial Supply
Door Latch Eclipse Frisco Premium Bolt Through Tubular Mortice FD30 63mm 76mm | eBay