1a) latch bar lock

A small  catch to mount above a latch bar to render the latch inoperable from outside, Typically suitable for use on latched doors to rooms which one wishes to be able to lock from one side only, such as bathrooms or toilets

Top illustration shows the lock in the closed position on a latch bar (not supplied)

Lower picture shows the open position

Height   60mm

Width 75mm

Protrudes from door 30mm

Requires 105mm square plane area.