What is the difference between Basic and Premium products?

What's included Basic Premium
Mass System Guarantee 10 years 15 years
Material: Aluminum with T6 temper 6063-T6 6005-T6
Material: Steel Stainless A2 Stainless A2 and A4
Type of connection to the enclosure ARTICULATED ARTICULATED AND EMBEDDED
Studio DO NOT SI
Installation drawing DO NOT SI
CE MARKING DO NOT SI
Installation Manual SI SI
Separations scheme SI SI