DentFix DF-900A Alu-Spot Aluminum Dent Removal System - Price Subject to Change - The most complete aluminum repair station "from a name you know and trust!"The idea here is that you have everything you need for aluminum repair, within easy reach in a self-contained system. The tools lock away so they do not wander the shop and become contaminated with steel particles. As you probably know aluminum panel repair is a different process than that for steel panels. Aluminum is a softer material it stretches easily. That is why it is alloyed with magnesium or silicon in cosmetic panels. We include two different alloys of stud pin for bonding with the various panels. Everything you need is included:Hammers, nylon & polished steel dollies, infrared temp gauge, digital heat gun, instructional CD and storage cart and 110 volt Alu-Spot welder.