A Single Sleeper Corner Support Spike is used to secure the corner of a single layer of railway sleepers. The Support Spike is perfect for use with timber sleeper planters, pathway edging and retaining walls. 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 Finish: Pre-Galvanised Engineered for longevity. Make installing sleepers easy and efficient. Easy installation. Long lasting fit for purpose landscaping solution.