Aluminium alloy material: The T-slot rail is made of aluminium alloys and is not easy to scratch or bend. It is corrosion-resistant and durable and can be used for a long time. Advantages: This rail helps to attach and adjust the wooden rails to your table saw. Large application: This T-bar can be used with many woodworking tools such as sliding rails, fixtures etc. Practicality: This T-track mitre is ideal for building devices and devices for radial arm saws, workbenches, drills and various other machines