The new Slide 3.0 body is made of aircraft grade aluminum, with a steel frame interior. The 2.0 is made of a polycarbonate, which means the 3.0 will be much stronger and more durable. The 3.0 also comes in both 4 and 6 port options. The new Slide 3.0 is Modular, meaning you can have side attachments in addition to inserts and key Blades. The new Slide also comes with a unique lost and found program, called Keyport ID.