Great British Steel: Each bracket is made from 2mm Heavy Duty British Steel. Railway Sleepers: Our brackets provide a quick and very easy system for mounting and joining railway sleepers for garden construction work. Our unique design is cheap, quick to install, and works with all sizes of timber railway sleepers. Versatile Functionality: These simple corner brackets should be used to secure timbers that are being joined at corners. The brackets are suitable for use both internally and externally. Internally they provide additional strength. Externally they provide strength and a clean aesthetic on the outside. Easy Installation: To install, simply press the sleepers together, and then use the bracket to secure the join at the corner. The bracket features 6 holes, 7.5mm diameter, meaning 3 screws can be used on each piece of timber for an extra-secure installation. SleeperFit Promise: All SleeperFit railway sleeper brackets are all covered by a durability promise, we use these products ourselves and stand by their quality., Manufacturer: Indoor Outdoors