This was part of the path that lead from Canley through Park Wood and onto Westwood Heath Road and Bockendon Road/Crackley Lane and beyond. Since the building of the housing estate the path has become overgrown and unusable as people now walk through the estate.
You are looking for an 80mm lock and lock box with room for a few swapables
Previously published with wrong coordinates but found by Legochuggler to they get FTF