Use with the RW4-Plus and EZ-CLone Cloning Machines. The Ilco Look-Alike® shells are designed to look like the OEM key. Insert the appropriate transponder needed for cloning into the appropriate carrier shell for the designated vehicle. Clone original and then cut the key. This starter set includes 5 of the popular GTI Transponders and 7 popular Look-Alike Shells to get you started making automotive keys. Includes a sturdy 14" x 15" x 2" Storage Box/Organizer with moveable dividers to fit lots of keys and transponders. Other transponders and shells are available to fit most vehicles. You can find an application chart in the ILCO Auto and Truck Reference Guide. These shells also work with the ILCO T80 and T48 transponders (sold separately).