Bramah R3/01 metal window locks are designed to screw together a Crittall window & frame. The heads revolve. They are available with a 12mm or 25mm screw, M5 thread. Finish: Satin Chrome
Size: 15mm Body, 12mm Screw, M5 Thread Keys are supplied seperately. Operation Locking is by means of a threaded bolt screwed in to clamp..