Dog Spike is a fastening which is used for fixing rails with wooden sleepers. The number of Dog Spikes to be used depends on the locations. Its look like Dog shape and so named as Dog Spike. The Head and point of all sizes of Dog Spikes are identical and the shank is uniform having 16 mm square section. The Length under the Head is varied to suit sleepers with or without Bearing Plates for the various gauges, viz, BG, MG and NG.