For basic repairs on a tension system garage door, you will need nr 10, 11, 13, 17 spanners. A hammer, vice grip and spirit level and a silicon-based lube spray. It is not recommended to try setting the tension on a torque system garage door spring, it is a dangerous procedure, and you can injure yourself badly if the correct procedures aren’t followed. Rather call Roos Garage Doors to assist you with that