Professional Triangle Key: Our M12 triangle wrench is cut for a perfect fit with 19 mm triangle locks—ideal for fire-service, security staff and anyone who needs reliable access. Premium Material: Made from high-grade steel that resists rust and wear, this lock-bar wrench survives the harshest environments and stays in your kit for years. Universal Use: The set pairs one double-end and one single-end key to work as fire-hose, cabinet and postal keys, plus barrier and bollard locks—any 19 mm triangle opening is handled with ease. Multi-Function All-Rounder: Solid welds give both keys maximum load capacity. Resistant and stable for continuous daily use. (Check your lock size before ordering to ensure compatibility.) Slim, Pocket-Friendly Design: Each key is 17 cm long with a 20 mm ID head. At 2 mm thinner than most competitors, the set weighs less and carries easier, slipping comfortably into pocket or tool box without sacrificing strength or stability., Manufacturer: LuLobtg