This is a flexible steel cable with a cutting head attached to the end. As the cable rotates, it spins the cutting head, effectively "shaving" the roots away from the pipe walls.
Whether you live in a villa in One Tree Hill or a bungalow in Birkenhead, ignoring the "root cause" will only lead to recurring blockages. The best defence is a proactive one: regular inspections, understanding your pipe material, and investing in structural repairs when the time comes. drain root cutting auckland