Lock and key that prevents the coupling handle from being operated.Small brass lock that inserts into many pressed steel coupling and Knott cast heads..
Lock and key that prevents the coupling handle from being operated.Small brass lock that inserts into many pressed steel coupling and Knott cast heads..
Barrel lock to suit Knott-Avonride coupling headsThis lock inserts from the top of the coupling down and includes two keys and PVC lock cover to prote..