14mm x 1240mm Curly Top Steel Fencing Pins. Premium Curly Top Fencing Pins that are manufactured from 14mm Mild steel bar with a point one end a lamp hook at the other for use with barrier tape or barrier netting to create an economical temporary fence or boundary. Sometimes called pig tail or shepherds crook pins they are widely used for temporary road fencing within the construction industry. The 14mm diameter bar is a much stronger and more durable road fencing pin than the cheaper 10mm version and is the preferred option where ground conditions are more challenging.