T-Slot Miter Track Connector Router Table Fence Aluminum Multi T-Track Saw Fence. It is made of aluminium alloy material, which is durable, wear resistance, weather resistance and corrosion resistance. The T-slot miter track is for strong strength and long durability. It can be used for fences and different kinds of woodworking projects like CNC, table saw, router table, etc. T-slot miter track length is about 40cm/50cm/60cm/80cm. It is a perfect accessory for woodworking. Miter track fence length: 40cm(15.75inch), 50cm(19.7inch), 60cm(23.6inch), 80cm(31.5inch).