A traditional Locking Bar in black iron 4290, comes in various lengths and provides a secure locking mechanism, made by Kirkpatrick in the UK.

6" x 1 1/2"          152mm x 38mm
8"  x 1 1/2"         203mm x 38mm
10"  x 1 5/8"       254mm x 41mm
12"  x 1 3/4"       304mm x 44mm
14"  x 1 7/8"       356mm x 48mm
16"  x 2"            406mm x 51mm
18"   x 2 3/8"      457mm x 60mm
20"   x 2 3/8"      508mm x 60mm