The Bramah R3/01 Rola metal window locks are designed to screw together a Crittall window and frame, and the heads revolve. The R3/01 has a 15mm body, 12mm screw and M5 thread.
- Suitable for most metal window frames
- Locking is by means of a threaded bolt screwed in to clamp window and frame together
- Secured and released by use of the key