A Single Sleeper Straight Support Spike is used to secure a straight run of railway sleepers and can be used to connect two sleepers together. Features & Benefits: Extra shear angle for all types of ground with notches for extra grip. Heavy-duty, 2mm thick material. Suitable for all sleeper sizes. Size: 440mm Colour: Brown. This spike features an extra shear angle for all types of ground with notches for extra grip, making it a heavy-duty and long-lasting landscaping solution.