Our new post knocker which is an aid to completing fencing projects quicker and more efficiently than before. This implement allows us to manoeuvre into once inaccessible or difficult places for installing fence posts; such as ditches and corners. This improved flexibility is due to the telescopic arm that is a key part of the new post knocker. We can offer different types of fencing: Agricultural; stock, equestrian, post and rail. Close Board Fencing. Birds Mouth Fencing. Palisade.