The Laser Tools Aluminium Repair System can repair damage to most aluminium parts without using flux or chemicals.The repair system simply operates by using a standard heat source which heats the rods included in the kit and 'brazes' the area to be repaired. The kit is suitable for a massive range of aluminium alloys including zinc, magnesium, pot metal and cast aluminium ensuring the kit is not only versatile but excellent value.The kit includes: 5 x Brazing Rods 1 x Wire Brush 1 x Demo DVD Kit requires an additional heat source such as Propane, Butane, Mapp and Blow torch available separately.